Home / 13,335.66-18,402.75-7,367.22

Finding the Fourth Proportional to 13,335.66, 18,402.75 and 7,367.22

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Solution

The fourth proportional to 13,335.66, 18,402.75 and 7,367.22 is: 10,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.66 : 18,402.75 = 7,367.22 : x
  2. Step 2: Convert to fraction form
    13,335.66/18,402.75 = 7,367.22/x
  3. Step 3: Cross multiply
    13,335.66x = 18,402.75 × 7,367.22
  4. Step 4: Simplify right side
    13,335.66x = 135,577,107.86
  5. Step 5: Solve for x
    x = 135,577,107.86/13,335.66
  6. Step 6: Final answer
    x = 10,166.51

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Find fourth proportional to 6,667.83, 9,201.38 and 3,683.61
Half scale
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Double scale
Find fourth proportional to 13,336.66, 18,404.13 and 7,368.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.