Home / 22,720.38-34,076.93-7,141.65

Finding the Fourth Proportional to 22,720.38, 34,076.93 and 7,141.65

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Solution

The fourth proportional to 22,720.38, 34,076.93 and 7,141.65 is: 10,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.38 : 34,076.93 = 7,141.65 : x
  2. Step 2: Convert to fraction form
    22,720.38/34,076.93 = 7,141.65/x
  3. Step 3: Cross multiply
    22,720.38x = 34,076.93 × 7,141.65
  4. Step 4: Simplify right side
    22,720.38x = 243,365,471.43
  5. Step 5: Solve for x
    x = 243,365,471.43/22,720.38
  6. Step 6: Final answer
    x = 10,711.33

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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.