Home / 18,154.53-27,229.77-6,306.12

Finding the Fourth Proportional to 18,154.53, 27,229.77 and 6,306.12

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Solution

The fourth proportional to 18,154.53, 27,229.77 and 6,306.12 is: 9,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.53 : 27,229.77 = 6,306.12 : x
  2. Step 2: Convert to fraction form
    18,154.53/27,229.77 = 6,306.12/x
  3. Step 3: Cross multiply
    18,154.53x = 27,229.77 × 6,306.12
  4. Step 4: Simplify right side
    18,154.53x = 171,714,197.19
  5. Step 5: Solve for x
    x = 171,714,197.19/18,154.53
  6. Step 6: Final answer
    x = 9,458.48

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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.