Home / 17,990.32-24,838.20-11,619.78

Finding the Fourth Proportional to 17,990.32, 24,838.20 and 11,619.78

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Solution

The fourth proportional to 17,990.32, 24,838.20 and 11,619.78 is: 16,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.32 : 24,838.20 = 11,619.78 : x
  2. Step 2: Convert to fraction form
    17,990.32/24,838.20 = 11,619.78/x
  3. Step 3: Cross multiply
    17,990.32x = 24,838.20 × 11,619.78
  4. Step 4: Simplify right side
    17,990.32x = 288,614,419.60
  5. Step 5: Solve for x
    x = 288,614,419.60/17,990.32
  6. Step 6: Final answer
    x = 16,042.76

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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.