Home / 16,211.16-22,370.52-9,138.96

Finding the Fourth Proportional to 16,211.16, 22,370.52 and 9,138.96

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Solution

The fourth proportional to 16,211.16, 22,370.52 and 9,138.96 is: 12,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.16 : 22,370.52 = 9,138.96 : x
  2. Step 2: Convert to fraction form
    16,211.16/22,370.52 = 9,138.96/x
  3. Step 3: Cross multiply
    16,211.16x = 22,370.52 × 9,138.96
  4. Step 4: Simplify right side
    16,211.16x = 204,443,287.46
  5. Step 5: Solve for x
    x = 204,443,287.46/16,211.16
  6. Step 6: Final answer
    x = 12,611.27

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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.