Home / 15,517.92-21,414.69-8,444.34

Finding the Fourth Proportional to 15,517.92, 21,414.69 and 8,444.34

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Solution

The fourth proportional to 15,517.92, 21,414.69 and 8,444.34 is: 11,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.92 : 21,414.69 = 8,444.34 : x
  2. Step 2: Convert to fraction form
    15,517.92/21,414.69 = 8,444.34/x
  3. Step 3: Cross multiply
    15,517.92x = 21,414.69 × 8,444.34
  4. Step 4: Simplify right side
    15,517.92x = 180,832,923.35
  5. Step 5: Solve for x
    x = 180,832,923.35/15,517.92
  6. Step 6: Final answer
    x = 11,653.17

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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.