Home / 18,079.20-27,116.30-5,607.80

Finding the Fourth Proportional to 18,079.20, 27,116.30 and 5,607.80

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Solution

The fourth proportional to 18,079.20, 27,116.30 and 5,607.80 is: 8,410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.20 : 27,116.30 = 5,607.80 : x
  2. Step 2: Convert to fraction form
    18,079.20/27,116.30 = 5,607.80/x
  3. Step 3: Cross multiply
    18,079.20x = 27,116.30 × 5,607.80
  4. Step 4: Simplify right side
    18,079.20x = 152,062,787.14
  5. Step 5: Solve for x
    x = 152,062,787.14/18,079.20
  6. Step 6: Final answer
    x = 8,410.92

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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.