Home / 19,572.28-29,345.92-12,901.08

Finding the Fourth Proportional to 19,572.28, 29,345.92 and 12,901.08

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Solution

The fourth proportional to 19,572.28, 29,345.92 and 12,901.08 is: 19,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.28 : 29,345.92 = 12,901.08 : x
  2. Step 2: Convert to fraction form
    19,572.28/29,345.92 = 12,901.08/x
  3. Step 3: Cross multiply
    19,572.28x = 29,345.92 × 12,901.08
  4. Step 4: Simplify right side
    19,572.28x = 378,594,061.59
  5. Step 5: Solve for x
    x = 378,594,061.59/19,572.28
  6. Step 6: Final answer
    x = 19,343.38

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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.