Home / 16,939.80-25,375.68-9,533.16

Finding the Fourth Proportional to 16,939.80, 25,375.68 and 9,533.16

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Solution

The fourth proportional to 16,939.80, 25,375.68 and 9,533.16 is: 14,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.80 : 25,375.68 = 9,533.16 : x
  2. Step 2: Convert to fraction form
    16,939.80/25,375.68 = 9,533.16/x
  3. Step 3: Cross multiply
    16,939.80x = 25,375.68 × 9,533.16
  4. Step 4: Simplify right side
    16,939.80x = 241,910,417.55
  5. Step 5: Solve for x
    x = 241,910,417.55/16,939.80
  6. Step 6: Final answer
    x = 14,280.59

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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.