Home / 10,187.52-15,280.53-3,167.34

Finding the Fourth Proportional to 10,187.52, 15,280.53 and 3,167.34

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Solution

The fourth proportional to 10,187.52, 15,280.53 and 3,167.34 is: 4,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.52 : 15,280.53 = 3,167.34 : x
  2. Step 2: Convert to fraction form
    10,187.52/15,280.53 = 3,167.34/x
  3. Step 3: Cross multiply
    10,187.52x = 15,280.53 × 3,167.34
  4. Step 4: Simplify right side
    10,187.52x = 48,398,633.89
  5. Step 5: Solve for x
    x = 48,398,633.89/10,187.52
  6. Step 6: Final answer
    x = 4,750.78

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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.