Home / 13,194.28-18,207.34-7,226.07

Finding the Fourth Proportional to 13,194.28, 18,207.34 and 7,226.07

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Solution

The fourth proportional to 13,194.28, 18,207.34 and 7,226.07 is: 9,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.28 : 18,207.34 = 7,226.07 : x
  2. Step 2: Convert to fraction form
    13,194.28/18,207.34 = 7,226.07/x
  3. Step 3: Cross multiply
    13,194.28x = 18,207.34 × 7,226.07
  4. Step 4: Simplify right side
    13,194.28x = 131,567,513.35
  5. Step 5: Solve for x
    x = 131,567,513.35/13,194.28
  6. Step 6: Final answer
    x = 9,971.56

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Double scale
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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.