Home / 15,188.43-20,959.97-8,473.66

Finding the Fourth Proportional to 15,188.43, 20,959.97 and 8,473.66

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Solution

The fourth proportional to 15,188.43, 20,959.97 and 8,473.66 is: 11,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.43 : 20,959.97 = 8,473.66 : x
  2. Step 2: Convert to fraction form
    15,188.43/20,959.97 = 8,473.66/x
  3. Step 3: Cross multiply
    15,188.43x = 20,959.97 × 8,473.66
  4. Step 4: Simplify right side
    15,188.43x = 177,607,564.62
  5. Step 5: Solve for x
    x = 177,607,564.62/15,188.43
  6. Step 6: Final answer
    x = 11,693.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.