Home / 14,939.70-22,373.55-7,998.90

Finding the Fourth Proportional to 14,939.70, 22,373.55 and 7,998.90

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Solution

The fourth proportional to 14,939.70, 22,373.55 and 7,998.90 is: 11,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.70 : 22,373.55 = 7,998.90 : x
  2. Step 2: Convert to fraction form
    14,939.70/22,373.55 = 7,998.90/x
  3. Step 3: Cross multiply
    14,939.70x = 22,373.55 × 7,998.90
  4. Step 4: Simplify right side
    14,939.70x = 178,963,789.10
  5. Step 5: Solve for x
    x = 178,963,789.10/14,939.70
  6. Step 6: Final answer
    x = 11,979.08

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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.