Home / 22,619.14-31,214.38-12,549.11

Finding the Fourth Proportional to 22,619.14, 31,214.38 and 12,549.11

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Solution

The fourth proportional to 22,619.14, 31,214.38 and 12,549.11 is: 17,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.14 : 31,214.38 = 12,549.11 : x
  2. Step 2: Convert to fraction form
    22,619.14/31,214.38 = 12,549.11/x
  3. Step 3: Cross multiply
    22,619.14x = 31,214.38 × 12,549.11
  4. Step 4: Simplify right side
    22,619.14x = 391,712,469.38
  5. Step 5: Solve for x
    x = 391,712,469.38/22,619.14
  6. Step 6: Final answer
    x = 17,317.75

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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.