Home / 15,512.97-23,273.55-8,115.45

Finding the Fourth Proportional to 15,512.97, 23,273.55 and 8,115.45

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Solution

The fourth proportional to 15,512.97, 23,273.55 and 8,115.45 is: 12,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.97 : 23,273.55 = 8,115.45 : x
  2. Step 2: Convert to fraction form
    15,512.97/23,273.55 = 8,115.45/x
  3. Step 3: Cross multiply
    15,512.97x = 23,273.55 × 8,115.45
  4. Step 4: Simplify right side
    15,512.97x = 188,875,331.35
  5. Step 5: Solve for x
    x = 188,875,331.35/15,512.97
  6. Step 6: Final answer
    x = 12,175.32

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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.