Home / 20,397.38-30,584.14-11,508.89

Finding the Fourth Proportional to 20,397.38, 30,584.14 and 11,508.89

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Solution

The fourth proportional to 20,397.38, 30,584.14 and 11,508.89 is: 17,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.38 : 30,584.14 = 11,508.89 : x
  2. Step 2: Convert to fraction form
    20,397.38/30,584.14 = 11,508.89/x
  3. Step 3: Cross multiply
    20,397.38x = 30,584.14 × 11,508.89
  4. Step 4: Simplify right side
    20,397.38x = 351,989,445.46
  5. Step 5: Solve for x
    x = 351,989,445.46/20,397.38
  6. Step 6: Final answer
    x = 17,256.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.