Home / 16,388.82-24,560.80-12,382.91

Finding the Fourth Proportional to 16,388.82, 24,560.80 and 12,382.91

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Solution

The fourth proportional to 16,388.82, 24,560.80 and 12,382.91 is: 18,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.82 : 24,560.80 = 12,382.91 : x
  2. Step 2: Convert to fraction form
    16,388.82/24,560.80 = 12,382.91/x
  3. Step 3: Cross multiply
    16,388.82x = 24,560.80 × 12,382.91
  4. Step 4: Simplify right side
    16,388.82x = 304,134,206.37
  5. Step 5: Solve for x
    x = 304,134,206.37/16,388.82
  6. Step 6: Final answer
    x = 18,557.42

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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.