Home / 17,936.88-24,750.24-9,979.20

Finding the Fourth Proportional to 17,936.88, 24,750.24 and 9,979.20

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Solution

The fourth proportional to 17,936.88, 24,750.24 and 9,979.20 is: 13,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,936.88 : 24,750.24 = 9,979.20 : x
  2. Step 2: Convert to fraction form
    17,936.88/24,750.24 = 9,979.20/x
  3. Step 3: Cross multiply
    17,936.88x = 24,750.24 × 9,979.20
  4. Step 4: Simplify right side
    17,936.88x = 246,987,595.01
  5. Step 5: Solve for x
    x = 246,987,595.01/17,936.88
  6. Step 6: Final answer
    x = 13,769.82

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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.