Home / 19,972.59-29,954.79-9,438.14

Finding the Fourth Proportional to 19,972.59, 29,954.79 and 9,438.14

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Solution

The fourth proportional to 19,972.59, 29,954.79 and 9,438.14 is: 14,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.59 : 29,954.79 = 9,438.14 : x
  2. Step 2: Convert to fraction form
    19,972.59/29,954.79 = 9,438.14/x
  3. Step 3: Cross multiply
    19,972.59x = 29,954.79 × 9,438.14
  4. Step 4: Simplify right side
    19,972.59x = 282,717,304.73
  5. Step 5: Solve for x
    x = 282,717,304.73/19,972.59
  6. Step 6: Final answer
    x = 14,155.27

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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.