Home / 19,515.68-29,273.60-4,724.58

Finding the Fourth Proportional to 19,515.68, 29,273.60 and 4,724.58

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Solution

The fourth proportional to 19,515.68, 29,273.60 and 4,724.58 is: 7,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.68 : 29,273.60 = 4,724.58 : x
  2. Step 2: Convert to fraction form
    19,515.68/29,273.60 = 4,724.58/x
  3. Step 3: Cross multiply
    19,515.68x = 29,273.60 × 4,724.58
  4. Step 4: Simplify right side
    19,515.68x = 138,305,391.90
  5. Step 5: Solve for x
    x = 138,305,391.90/19,515.68
  6. Step 6: Final answer
    x = 7,086.88

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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.