Home / 22,604.16-31,195.44-13,170.72

Finding the Fourth Proportional to 22,604.16, 31,195.44 and 13,170.72

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Solution

The fourth proportional to 22,604.16, 31,195.44 and 13,170.72 is: 18,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,604.16 : 31,195.44 = 13,170.72 : x
  2. Step 2: Convert to fraction form
    22,604.16/31,195.44 = 13,170.72/x
  3. Step 3: Cross multiply
    22,604.16x = 31,195.44 × 13,170.72
  4. Step 4: Simplify right side
    22,604.16x = 410,866,405.52
  5. Step 5: Solve for x
    x = 410,866,405.52/22,604.16
  6. Step 6: Final answer
    x = 18,176.58

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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.