Home / 15,481.68-23,225.31-5,634.78

Finding the Fourth Proportional to 15,481.68, 23,225.31 and 5,634.78

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Solution

The fourth proportional to 15,481.68, 23,225.31 and 5,634.78 is: 8,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.68 : 23,225.31 = 5,634.78 : x
  2. Step 2: Convert to fraction form
    15,481.68/23,225.31 = 5,634.78/x
  3. Step 3: Cross multiply
    15,481.68x = 23,225.31 × 5,634.78
  4. Step 4: Simplify right side
    15,481.68x = 130,869,512.28
  5. Step 5: Solve for x
    x = 130,869,512.28/15,481.68
  6. Step 6: Final answer
    x = 8,453.19

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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.