Home / 10,489.45-15,730.43-3,468.17

Finding the Fourth Proportional to 10,489.45, 15,730.43 and 3,468.17

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Solution

The fourth proportional to 10,489.45, 15,730.43 and 3,468.17 is: 5,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.45 : 15,730.43 = 3,468.17 : x
  2. Step 2: Convert to fraction form
    10,489.45/15,730.43 = 3,468.17/x
  3. Step 3: Cross multiply
    10,489.45x = 15,730.43 × 3,468.17
  4. Step 4: Simplify right side
    10,489.45x = 54,555,841.91
  5. Step 5: Solve for x
    x = 54,555,841.91/10,489.45
  6. Step 6: Final answer
    x = 5,201.02

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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.