Home / 12,484.80-17,249.28-12,361.92

Finding the Fourth Proportional to 12,484.80, 17,249.28 and 12,361.92

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Solution

The fourth proportional to 12,484.80, 17,249.28 and 12,361.92 is: 17,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.80 : 17,249.28 = 12,361.92 : x
  2. Step 2: Convert to fraction form
    12,484.80/17,249.28 = 12,361.92/x
  3. Step 3: Cross multiply
    12,484.80x = 17,249.28 × 12,361.92
  4. Step 4: Simplify right side
    12,484.80x = 213,234,219.42
  5. Step 5: Solve for x
    x = 213,234,219.42/12,484.80
  6. Step 6: Final answer
    x = 17,079.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.