Home / 10,257.08-15,385.95-3,237.16

Finding the Fourth Proportional to 10,257.08, 15,385.95 and 3,237.16

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Solution

The fourth proportional to 10,257.08, 15,385.95 and 3,237.16 is: 4,855.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.08 : 15,385.95 = 3,237.16 : x
  2. Step 2: Convert to fraction form
    10,257.08/15,385.95 = 3,237.16/x
  3. Step 3: Cross multiply
    10,257.08x = 15,385.95 × 3,237.16
  4. Step 4: Simplify right side
    10,257.08x = 49,806,781.90
  5. Step 5: Solve for x
    x = 49,806,781.90/10,257.08
  6. Step 6: Final answer
    x = 4,855.84

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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.