Home / 18,634.66-27,951.91-5,487.02

Finding the Fourth Proportional to 18,634.66, 27,951.91 and 5,487.02

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Solution

The fourth proportional to 18,634.66, 27,951.91 and 5,487.02 is: 8,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.66 : 27,951.91 = 5,487.02 : x
  2. Step 2: Convert to fraction form
    18,634.66/27,951.91 = 5,487.02/x
  3. Step 3: Cross multiply
    18,634.66x = 27,951.91 × 5,487.02
  4. Step 4: Simplify right side
    18,634.66x = 153,372,689.21
  5. Step 5: Solve for x
    x = 153,372,689.21/18,634.66
  6. Step 6: Final answer
    x = 8,230.51

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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.