Home / 10,517.04-15,772.15-3,495.17

Finding the Fourth Proportional to 10,517.04, 15,772.15 and 3,495.17

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Solution

The fourth proportional to 10,517.04, 15,772.15 and 3,495.17 is: 5,241.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.04 : 15,772.15 = 3,495.17 : x
  2. Step 2: Convert to fraction form
    10,517.04/15,772.15 = 3,495.17/x
  3. Step 3: Cross multiply
    10,517.04x = 15,772.15 × 3,495.17
  4. Step 4: Simplify right side
    10,517.04x = 55,126,249.18
  5. Step 5: Solve for x
    x = 55,126,249.18/10,517.04
  6. Step 6: Final answer
    x = 5,241.61

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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.