Home / 22,667.33-31,279.08-13,107.84

Finding the Fourth Proportional to 22,667.33, 31,279.08 and 13,107.84

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Solution

The fourth proportional to 22,667.33, 31,279.08 and 13,107.84 is: 18,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,667.33 : 31,279.08 = 13,107.84 : x
  2. Step 2: Convert to fraction form
    22,667.33/31,279.08 = 13,107.84/x
  3. Step 3: Cross multiply
    22,667.33x = 31,279.08 × 13,107.84
  4. Step 4: Simplify right side
    22,667.33x = 410,001,175.99
  5. Step 5: Solve for x
    x = 410,001,175.99/22,667.33
  6. Step 6: Final answer
    x = 18,087.76

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Double scale
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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.