Home / 19,937.92-29,909.76-10,084.48

Finding the Fourth Proportional to 19,937.92, 29,909.76 and 10,084.48

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Solution

The fourth proportional to 19,937.92, 29,909.76 and 10,084.48 is: 15,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.92 : 29,909.76 = 10,084.48 : x
  2. Step 2: Convert to fraction form
    19,937.92/29,909.76 = 10,084.48/x
  3. Step 3: Cross multiply
    19,937.92x = 29,909.76 × 10,084.48
  4. Step 4: Simplify right side
    19,937.92x = 301,624,376.52
  5. Step 5: Solve for x
    x = 301,624,376.52/19,937.92
  6. Step 6: Final answer
    x = 15,128.18

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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.