Home / 15,449.78-23,166.30-5,449.52

Finding the Fourth Proportional to 15,449.78, 23,166.30 and 5,449.52

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Solution

The fourth proportional to 15,449.78, 23,166.30 and 5,449.52 is: 8,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.78 : 23,166.30 = 5,449.52 : x
  2. Step 2: Convert to fraction form
    15,449.78/23,166.30 = 5,449.52/x
  3. Step 3: Cross multiply
    15,449.78x = 23,166.30 × 5,449.52
  4. Step 4: Simplify right side
    15,449.78x = 126,245,215.18
  5. Step 5: Solve for x
    x = 126,245,215.18/15,449.78
  6. Step 6: Final answer
    x = 8,171.33

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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.