Home / 15,217.32-20,994.12-11,247.96

Finding the Fourth Proportional to 15,217.32, 20,994.12 and 11,247.96

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Solution

The fourth proportional to 15,217.32, 20,994.12 and 11,247.96 is: 15,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.32 : 20,994.12 = 11,247.96 : x
  2. Step 2: Convert to fraction form
    15,217.32/20,994.12 = 11,247.96/x
  3. Step 3: Cross multiply
    15,217.32x = 20,994.12 × 11,247.96
  4. Step 4: Simplify right side
    15,217.32x = 236,141,022.00
  5. Step 5: Solve for x
    x = 236,141,022.00/15,217.32
  6. Step 6: Final answer
    x = 15,517.91

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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.