Home / 15,520.29-23,280.48-5,659.56

Finding the Fourth Proportional to 15,520.29, 23,280.48 and 5,659.56

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Solution

The fourth proportional to 15,520.29, 23,280.48 and 5,659.56 is: 8,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.29 : 23,280.48 = 5,659.56 : x
  2. Step 2: Convert to fraction form
    15,520.29/23,280.48 = 5,659.56/x
  3. Step 3: Cross multiply
    15,520.29x = 23,280.48 × 5,659.56
  4. Step 4: Simplify right side
    15,520.29x = 131,757,273.39
  5. Step 5: Solve for x
    x = 131,757,273.39/15,520.29
  6. Step 6: Final answer
    x = 8,489.36

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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.