Home / 22,818.64-34,240.84-12,288.44

Finding the Fourth Proportional to 22,818.64, 34,240.84 and 12,288.44

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Solution

The fourth proportional to 22,818.64, 34,240.84 and 12,288.44 is: 18,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,818.64 : 34,240.84 = 12,288.44 : x
  2. Step 2: Convert to fraction form
    22,818.64/34,240.84 = 12,288.44/x
  3. Step 3: Cross multiply
    22,818.64x = 34,240.84 × 12,288.44
  4. Step 4: Simplify right side
    22,818.64x = 420,766,340.53
  5. Step 5: Solve for x
    x = 420,766,340.53/22,818.64
  6. Step 6: Final answer
    x = 18,439.59

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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.