Home / 22,207.46-30,641.28-13,253.24

Finding the Fourth Proportional to 22,207.46, 30,641.28 and 13,253.24

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Solution

The fourth proportional to 22,207.46, 30,641.28 and 13,253.24 is: 18,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.46 : 30,641.28 = 13,253.24 : x
  2. Step 2: Convert to fraction form
    22,207.46/30,641.28 = 13,253.24/x
  3. Step 3: Cross multiply
    22,207.46x = 30,641.28 × 13,253.24
  4. Step 4: Simplify right side
    22,207.46x = 406,096,237.75
  5. Step 5: Solve for x
    x = 406,096,237.75/22,207.46
  6. Step 6: Final answer
    x = 18,286.48

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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.