Home / 10,834.31-16,240.89-5,287.43

Finding the Fourth Proportional to 10,834.31, 16,240.89 and 5,287.43

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Solution

The fourth proportional to 10,834.31, 16,240.89 and 5,287.43 is: 7,925.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.31 : 16,240.89 = 5,287.43 : x
  2. Step 2: Convert to fraction form
    10,834.31/16,240.89 = 5,287.43/x
  3. Step 3: Cross multiply
    10,834.31x = 16,240.89 × 5,287.43
  4. Step 4: Simplify right side
    10,834.31x = 85,872,569.01
  5. Step 5: Solve for x
    x = 85,872,569.01/10,834.31
  6. Step 6: Final answer
    x = 7,925.98

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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.