Home / 16,658.32-24,979.19-5,561.20

Finding the Fourth Proportional to 16,658.32, 24,979.19 and 5,561.20

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Solution

The fourth proportional to 16,658.32, 24,979.19 and 5,561.20 is: 8,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.32 : 24,979.19 = 5,561.20 : x
  2. Step 2: Convert to fraction form
    16,658.32/24,979.19 = 5,561.20/x
  3. Step 3: Cross multiply
    16,658.32x = 24,979.19 × 5,561.20
  4. Step 4: Simplify right side
    16,658.32x = 138,914,271.43
  5. Step 5: Solve for x
    x = 138,914,271.43/16,658.32
  6. Step 6: Final answer
    x = 8,339.03

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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.