Home / 22,434.87-30,959.75-12,226.04

Finding the Fourth Proportional to 22,434.87, 30,959.75 and 12,226.04

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Solution

The fourth proportional to 22,434.87, 30,959.75 and 12,226.04 is: 16,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,434.87 : 30,959.75 = 12,226.04 : x
  2. Step 2: Convert to fraction form
    22,434.87/30,959.75 = 12,226.04/x
  3. Step 3: Cross multiply
    22,434.87x = 30,959.75 × 12,226.04
  4. Step 4: Simplify right side
    22,434.87x = 378,515,141.89
  5. Step 5: Solve for x
    x = 378,515,141.89/22,434.87
  6. Step 6: Final answer
    x = 16,871.73

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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.