Home / 10,229.52-14,087.48-9,212.56

Finding the Fourth Proportional to 10,229.52, 14,087.48 and 9,212.56

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Solution

The fourth proportional to 10,229.52, 14,087.48 and 9,212.56 is: 12,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.52 : 14,087.48 = 9,212.56 : x
  2. Step 2: Convert to fraction form
    10,229.52/14,087.48 = 9,212.56/x
  3. Step 3: Cross multiply
    10,229.52x = 14,087.48 × 9,212.56
  4. Step 4: Simplify right side
    10,229.52x = 129,781,754.75
  5. Step 5: Solve for x
    x = 129,781,754.75/10,229.52
  6. Step 6: Final answer
    x = 12,686.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.