Home / 10,077.70-15,107.90-3,503.04

Finding the Fourth Proportional to 10,077.70, 15,107.90 and 3,503.04

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Solution

The fourth proportional to 10,077.70, 15,107.90 and 3,503.04 is: 5,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.70 : 15,107.90 = 3,503.04 : x
  2. Step 2: Convert to fraction form
    10,077.70/15,107.90 = 3,503.04/x
  3. Step 3: Cross multiply
    10,077.70x = 15,107.90 × 3,503.04
  4. Step 4: Simplify right side
    10,077.70x = 52,923,578.02
  5. Step 5: Solve for x
    x = 52,923,578.02/10,077.70
  6. Step 6: Final answer
    x = 5,251.55

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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.