Home / 18,219.52-27,327.12-5,739.04

Finding the Fourth Proportional to 18,219.52, 27,327.12 and 5,739.04

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Solution

The fourth proportional to 18,219.52, 27,327.12 and 5,739.04 is: 8,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.52 : 27,327.12 = 5,739.04 : x
  2. Step 2: Convert to fraction form
    18,219.52/27,327.12 = 5,739.04/x
  3. Step 3: Cross multiply
    18,219.52x = 27,327.12 × 5,739.04
  4. Step 4: Simplify right side
    18,219.52x = 156,831,434.76
  5. Step 5: Solve for x
    x = 156,831,434.76/18,219.52
  6. Step 6: Final answer
    x = 8,607.88

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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.