Home / 10,834.29-16,240.50-4,257.90

Finding the Fourth Proportional to 10,834.29, 16,240.50 and 4,257.90

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Solution

The fourth proportional to 10,834.29, 16,240.50 and 4,257.90 is: 6,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.29 : 16,240.50 = 4,257.90 : x
  2. Step 2: Convert to fraction form
    10,834.29/16,240.50 = 4,257.90/x
  3. Step 3: Cross multiply
    10,834.29x = 16,240.50 × 4,257.90
  4. Step 4: Simplify right side
    10,834.29x = 69,150,424.95
  5. Step 5: Solve for x
    x = 69,150,424.95/10,834.29
  6. Step 6: Final answer
    x = 6,382.55

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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.