Home / 13,154.26-18,151.93-7,184.66

Finding the Fourth Proportional to 13,154.26, 18,151.93 and 7,184.66

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Solution

The fourth proportional to 13,154.26, 18,151.93 and 7,184.66 is: 9,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.26 : 18,151.93 = 7,184.66 : x
  2. Step 2: Convert to fraction form
    13,154.26/18,151.93 = 7,184.66/x
  3. Step 3: Cross multiply
    13,154.26x = 18,151.93 × 7,184.66
  4. Step 4: Simplify right side
    13,154.26x = 130,415,445.39
  5. Step 5: Solve for x
    x = 130,415,445.39/13,154.26
  6. Step 6: Final answer
    x = 9,914.31

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Double scale
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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.