Home / 15,944.84-22,005.20-8,872.59

Finding the Fourth Proportional to 15,944.84, 22,005.20 and 8,872.59

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Solution

The fourth proportional to 15,944.84, 22,005.20 and 8,872.59 is: 12,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944.84 : 22,005.20 = 8,872.59 : x
  2. Step 2: Convert to fraction form
    15,944.84/22,005.20 = 8,872.59/x
  3. Step 3: Cross multiply
    15,944.84x = 22,005.20 × 8,872.59
  4. Step 4: Simplify right side
    15,944.84x = 195,243,139.65
  5. Step 5: Solve for x
    x = 195,243,139.65/15,944.84
  6. Step 6: Final answer
    x = 12,244.91

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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.