Home / 18,147.57-27,221.48-5,000.66

Finding the Fourth Proportional to 18,147.57, 27,221.48 and 5,000.66

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Solution

The fourth proportional to 18,147.57, 27,221.48 and 5,000.66 is: 7,501.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.57 : 27,221.48 = 5,000.66 : x
  2. Step 2: Convert to fraction form
    18,147.57/27,221.48 = 5,000.66/x
  3. Step 3: Cross multiply
    18,147.57x = 27,221.48 × 5,000.66
  4. Step 4: Simplify right side
    18,147.57x = 136,125,366.18
  5. Step 5: Solve for x
    x = 136,125,366.18/18,147.57
  6. Step 6: Final answer
    x = 7,501.02

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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.