Home / 18,439.20-27,663.12-5,960.16

Finding the Fourth Proportional to 18,439.20, 27,663.12 and 5,960.16

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Solution

The fourth proportional to 18,439.20, 27,663.12 and 5,960.16 is: 8,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.20 : 27,663.12 = 5,960.16 : x
  2. Step 2: Convert to fraction form
    18,439.20/27,663.12 = 5,960.16/x
  3. Step 3: Cross multiply
    18,439.20x = 27,663.12 × 5,960.16
  4. Step 4: Simplify right side
    18,439.20x = 164,876,621.30
  5. Step 5: Solve for x
    x = 164,876,621.30/18,439.20
  6. Step 6: Final answer
    x = 8,941.64

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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.