Home / 19,711.46-29,572.86-11,397.44

Finding the Fourth Proportional to 19,711.46, 29,572.86 and 11,397.44

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Solution

The fourth proportional to 19,711.46, 29,572.86 and 11,397.44 is: 17,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.46 : 29,572.86 = 11,397.44 : x
  2. Step 2: Convert to fraction form
    19,711.46/29,572.86 = 11,397.44/x
  3. Step 3: Cross multiply
    19,711.46x = 29,572.86 × 11,397.44
  4. Step 4: Simplify right side
    19,711.46x = 337,054,897.48
  5. Step 5: Solve for x
    x = 337,054,897.48/19,711.46
  6. Step 6: Final answer
    x = 17,099.44

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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.