Home / 15,343.20-22,998.60-5,979.60

Finding the Fourth Proportional to 15,343.20, 22,998.60 and 5,979.60

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Solution

The fourth proportional to 15,343.20, 22,998.60 and 5,979.60 is: 8,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343.20 : 22,998.60 = 5,979.60 : x
  2. Step 2: Convert to fraction form
    15,343.20/22,998.60 = 5,979.60/x
  3. Step 3: Cross multiply
    15,343.20x = 22,998.60 × 5,979.60
  4. Step 4: Simplify right side
    15,343.20x = 137,522,428.56
  5. Step 5: Solve for x
    x = 137,522,428.56/15,343.20
  6. Step 6: Final answer
    x = 8,963.09

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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.