Home / 14,279.38-21,382-9,850.70

Finding the Fourth Proportional to 14,279.38, 21,382 and 9,850.70

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Solution

The fourth proportional to 14,279.38, 21,382 and 9,850.70 is: 14,750.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.38 : 21,382 = 9,850.70 : x
  2. Step 2: Convert to fraction form
    14,279.38/21,382 = 9,850.70/x
  3. Step 3: Cross multiply
    14,279.38x = 21,382 × 9,850.70
  4. Step 4: Simplify right side
    14,279.38x = 210,627,667.40
  5. Step 5: Solve for x
    x = 210,627,667.40/14,279.38
  6. Step 6: Final answer
    x = 14,750.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.