Home / 19,337.28-29,006.08-6,857.38

Finding the Fourth Proportional to 19,337.28, 29,006.08 and 6,857.38

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Solution

The fourth proportional to 19,337.28, 29,006.08 and 6,857.38 is: 10,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.28 : 29,006.08 = 6,857.38 : x
  2. Step 2: Convert to fraction form
    19,337.28/29,006.08 = 6,857.38/x
  3. Step 3: Cross multiply
    19,337.28x = 29,006.08 × 6,857.38
  4. Step 4: Simplify right side
    19,337.28x = 198,905,712.87
  5. Step 5: Solve for x
    x = 198,905,712.87/19,337.28
  6. Step 6: Final answer
    x = 10,286.13

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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.