Home / 10,129.57-15,187.76-4,204.82

Finding the Fourth Proportional to 10,129.57, 15,187.76 and 4,204.82

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Solution

The fourth proportional to 10,129.57, 15,187.76 and 4,204.82 is: 6,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.57 : 15,187.76 = 4,204.82 : x
  2. Step 2: Convert to fraction form
    10,129.57/15,187.76 = 4,204.82/x
  3. Step 3: Cross multiply
    10,129.57x = 15,187.76 × 4,204.82
  4. Step 4: Simplify right side
    10,129.57x = 63,861,775.98
  5. Step 5: Solve for x
    x = 63,861,775.98/10,129.57
  6. Step 6: Final answer
    x = 6,304.49

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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.