Home / 18,170.80-27,257.76-5,023.18

Finding the Fourth Proportional to 18,170.80, 27,257.76 and 5,023.18

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Solution

The fourth proportional to 18,170.80, 27,257.76 and 5,023.18 is: 7,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.80 : 27,257.76 = 5,023.18 : x
  2. Step 2: Convert to fraction form
    18,170.80/27,257.76 = 5,023.18/x
  3. Step 3: Cross multiply
    18,170.80x = 27,257.76 × 5,023.18
  4. Step 4: Simplify right side
    18,170.80x = 136,920,634.88
  5. Step 5: Solve for x
    x = 136,920,634.88/18,170.80
  6. Step 6: Final answer
    x = 7,535.20

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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.