Home / 18,077.20-27,113.30-5,605.80

Finding the Fourth Proportional to 18,077.20, 27,113.30 and 5,605.80

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Solution

The fourth proportional to 18,077.20, 27,113.30 and 5,605.80 is: 8,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.20 : 27,113.30 = 5,605.80 : x
  2. Step 2: Convert to fraction form
    18,077.20/27,113.30 = 5,605.80/x
  3. Step 3: Cross multiply
    18,077.20x = 27,113.30 × 5,605.80
  4. Step 4: Simplify right side
    18,077.20x = 151,991,737.14
  5. Step 5: Solve for x
    x = 151,991,737.14/18,077.20
  6. Step 6: Final answer
    x = 8,407.92

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1.5x scale

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.