Home / 13,385.06-20,077.91-4,500.52

Finding the Fourth Proportional to 13,385.06, 20,077.91 and 4,500.52

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Solution

The fourth proportional to 13,385.06, 20,077.91 and 4,500.52 is: 6,750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385.06 : 20,077.91 = 4,500.52 : x
  2. Step 2: Convert to fraction form
    13,385.06/20,077.91 = 4,500.52/x
  3. Step 3: Cross multiply
    13,385.06x = 20,077.91 × 4,500.52
  4. Step 4: Simplify right side
    13,385.06x = 90,360,912.62
  5. Step 5: Solve for x
    x = 90,360,912.62/13,385.06
  6. Step 6: Final answer
    x = 6,750.88

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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.