Home / 10,862.08-16,294.41-3,840.65

Finding the Fourth Proportional to 10,862.08, 16,294.41 and 3,840.65

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Solution

The fourth proportional to 10,862.08, 16,294.41 and 3,840.65 is: 5,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.08 : 16,294.41 = 3,840.65 : x
  2. Step 2: Convert to fraction form
    10,862.08/16,294.41 = 3,840.65/x
  3. Step 3: Cross multiply
    10,862.08x = 16,294.41 × 3,840.65
  4. Step 4: Simplify right side
    10,862.08x = 62,581,125.77
  5. Step 5: Solve for x
    x = 62,581,125.77/10,862.08
  6. Step 6: Final answer
    x = 5,761.43

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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.