Home / 10,543.53-15,815.29-4,306.48

Finding the Fourth Proportional to 10,543.53, 15,815.29 and 4,306.48

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Solution

The fourth proportional to 10,543.53, 15,815.29 and 4,306.48 is: 6,459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.53 : 15,815.29 = 4,306.48 : x
  2. Step 2: Convert to fraction form
    10,543.53/15,815.29 = 4,306.48/x
  3. Step 3: Cross multiply
    10,543.53x = 15,815.29 × 4,306.48
  4. Step 4: Simplify right side
    10,543.53x = 68,108,187.85
  5. Step 5: Solve for x
    x = 68,108,187.85/10,543.53
  6. Step 6: Final answer
    x = 6,459.71

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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.