Home / 10,449.50-15,731.25-9,530.96

Finding the Fourth Proportional to 10,449.50, 15,731.25 and 9,530.96

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Solution

The fourth proportional to 10,449.50, 15,731.25 and 9,530.96 is: 14,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.50 : 15,731.25 = 9,530.96 : x
  2. Step 2: Convert to fraction form
    10,449.50/15,731.25 = 9,530.96/x
  3. Step 3: Cross multiply
    10,449.50x = 15,731.25 × 9,530.96
  4. Step 4: Simplify right side
    10,449.50x = 149,933,835.84
  5. Step 5: Solve for x
    x = 149,933,835.84/10,449.50
  6. Step 6: Final answer
    x = 14,348.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.