Home / 19,694.28-29,541.58-13,877

Finding the Fourth Proportional to 19,694.28, 29,541.58 and 13,877

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Solution

The fourth proportional to 19,694.28, 29,541.58 and 13,877 is: 20,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,694.28 : 29,541.58 = 13,877 : x
  2. Step 2: Convert to fraction form
    19,694.28/29,541.58 = 13,877/x
  3. Step 3: Cross multiply
    19,694.28x = 29,541.58 × 13,877
  4. Step 4: Simplify right side
    19,694.28x = 409,948,505.66
  5. Step 5: Solve for x
    x = 409,948,505.66/19,694.28
  6. Step 6: Final answer
    x = 20,815.61

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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.