Home / 18,125.28-27,184.68-6,279.12

Finding the Fourth Proportional to 18,125.28, 27,184.68 and 6,279.12

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Solution

The fourth proportional to 18,125.28, 27,184.68 and 6,279.12 is: 9,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.28 : 27,184.68 = 6,279.12 : x
  2. Step 2: Convert to fraction form
    18,125.28/27,184.68 = 6,279.12/x
  3. Step 3: Cross multiply
    18,125.28x = 27,184.68 × 6,279.12
  4. Step 4: Simplify right side
    18,125.28x = 170,695,867.88
  5. Step 5: Solve for x
    x = 170,695,867.88/18,125.28
  6. Step 6: Final answer
    x = 9,417.56

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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.