Home / 19,956.28-29,934.42-6,105.16

Finding the Fourth Proportional to 19,956.28, 29,934.42 and 6,105.16

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Solution

The fourth proportional to 19,956.28, 29,934.42 and 6,105.16 is: 9,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.28 : 29,934.42 = 6,105.16 : x
  2. Step 2: Convert to fraction form
    19,956.28/29,934.42 = 6,105.16/x
  3. Step 3: Cross multiply
    19,956.28x = 29,934.42 × 6,105.16
  4. Step 4: Simplify right side
    19,956.28x = 182,754,423.61
  5. Step 5: Solve for x
    x = 182,754,423.61/19,956.28
  6. Step 6: Final answer
    x = 9,157.74

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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.