Home / 15,471.61-23,193.20-5,608.51

Finding the Fourth Proportional to 15,471.61, 23,193.20 and 5,608.51

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Solution

The fourth proportional to 15,471.61, 23,193.20 and 5,608.51 is: 8,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471.61 : 23,193.20 = 5,608.51 : x
  2. Step 2: Convert to fraction form
    15,471.61/23,193.20 = 5,608.51/x
  3. Step 3: Cross multiply
    15,471.61x = 23,193.20 × 5,608.51
  4. Step 4: Simplify right side
    15,471.61x = 130,079,250.17
  5. Step 5: Solve for x
    x = 130,079,250.17/15,471.61
  6. Step 6: Final answer
    x = 8,407.61

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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.