Home / 10,279.06-14,187.84-5,805.43

Finding the Fourth Proportional to 10,279.06, 14,187.84 and 5,805.43

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Solution

The fourth proportional to 10,279.06, 14,187.84 and 5,805.43 is: 8,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.06 : 14,187.84 = 5,805.43 : x
  2. Step 2: Convert to fraction form
    10,279.06/14,187.84 = 5,805.43/x
  3. Step 3: Cross multiply
    10,279.06x = 14,187.84 × 5,805.43
  4. Step 4: Simplify right side
    10,279.06x = 82,366,511.97
  5. Step 5: Solve for x
    x = 82,366,511.97/10,279.06
  6. Step 6: Final answer
    x = 8,013.04

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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.