Home / 10,539.48-15,818.79-5,613.30

Finding the Fourth Proportional to 10,539.48, 15,818.79 and 5,613.30

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Solution

The fourth proportional to 10,539.48, 15,818.79 and 5,613.30 is: 8,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.48 : 15,818.79 = 5,613.30 : x
  2. Step 2: Convert to fraction form
    10,539.48/15,818.79 = 5,613.30/x
  3. Step 3: Cross multiply
    10,539.48x = 15,818.79 × 5,613.30
  4. Step 4: Simplify right side
    10,539.48x = 88,795,613.91
  5. Step 5: Solve for x
    x = 88,795,613.91/10,539.48
  6. Step 6: Final answer
    x = 8,425.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.