Home / 18,297.20-27,417.12-14,147.44

Finding the Fourth Proportional to 18,297.20, 27,417.12 and 14,147.44

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Solution

The fourth proportional to 18,297.20, 27,417.12 and 14,147.44 is: 21,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.20 : 27,417.12 = 14,147.44 : x
  2. Step 2: Convert to fraction form
    18,297.20/27,417.12 = 14,147.44/x
  3. Step 3: Cross multiply
    18,297.20x = 27,417.12 × 14,147.44
  4. Step 4: Simplify right side
    18,297.20x = 387,882,060.17
  5. Step 5: Solve for x
    x = 387,882,060.17/18,297.20
  6. Step 6: Final answer
    x = 21,198.98

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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.