Home / 16,079.70-22,198.52-12,110.30

Finding the Fourth Proportional to 16,079.70, 22,198.52 and 12,110.30

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Solution

The fourth proportional to 16,079.70, 22,198.52 and 12,110.30 is: 16,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,079.70 : 22,198.52 = 12,110.30 : x
  2. Step 2: Convert to fraction form
    16,079.70/22,198.52 = 12,110.30/x
  3. Step 3: Cross multiply
    16,079.70x = 22,198.52 × 12,110.30
  4. Step 4: Simplify right side
    16,079.70x = 268,830,736.76
  5. Step 5: Solve for x
    x = 268,830,736.76/16,079.70
  6. Step 6: Final answer
    x = 16,718.64

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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.