Home / 22,072.12-30,463.94-13,117.88

Finding the Fourth Proportional to 22,072.12, 30,463.94 and 13,117.88

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Solution

The fourth proportional to 22,072.12, 30,463.94 and 13,117.88 is: 18,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,072.12 : 30,463.94 = 13,117.88 : x
  2. Step 2: Convert to fraction form
    22,072.12/30,463.94 = 13,117.88/x
  3. Step 3: Cross multiply
    22,072.12x = 30,463.94 × 13,117.88
  4. Step 4: Simplify right side
    22,072.12x = 399,622,309.25
  5. Step 5: Solve for x
    x = 399,622,309.25/22,072.12
  6. Step 6: Final answer
    x = 18,105.30

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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.