Home / 22,116.16-30,519.84-12,044.78

Finding the Fourth Proportional to 22,116.16, 30,519.84 and 12,044.78

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Solution

The fourth proportional to 22,116.16, 30,519.84 and 12,044.78 is: 16,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,116.16 : 30,519.84 = 12,044.78 : x
  2. Step 2: Convert to fraction form
    22,116.16/30,519.84 = 12,044.78/x
  3. Step 3: Cross multiply
    22,116.16x = 30,519.84 × 12,044.78
  4. Step 4: Simplify right side
    22,116.16x = 367,604,758.44
  5. Step 5: Solve for x
    x = 367,604,758.44/22,116.16
  6. Step 6: Final answer
    x = 16,621.55

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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.