Home / 18,220.87-27,331.26-5,741.95

Finding the Fourth Proportional to 18,220.87, 27,331.26 and 5,741.95

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Solution

The fourth proportional to 18,220.87, 27,331.26 and 5,741.95 is: 8,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.87 : 27,331.26 = 5,741.95 : x
  2. Step 2: Convert to fraction form
    18,220.87/27,331.26 = 5,741.95/x
  3. Step 3: Cross multiply
    18,220.87x = 27,331.26 × 5,741.95
  4. Step 4: Simplify right side
    18,220.87x = 156,934,728.36
  5. Step 5: Solve for x
    x = 156,934,728.36/18,220.87
  6. Step 6: Final answer
    x = 8,612.91

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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.