Home / 10,279.16-15,412.92-3,257.84

Finding the Fourth Proportional to 10,279.16, 15,412.92 and 3,257.84

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Solution

The fourth proportional to 10,279.16, 15,412.92 and 3,257.84 is: 4,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.16 : 15,412.92 = 3,257.84 : x
  2. Step 2: Convert to fraction form
    10,279.16/15,412.92 = 3,257.84/x
  3. Step 3: Cross multiply
    10,279.16x = 15,412.92 × 3,257.84
  4. Step 4: Simplify right side
    10,279.16x = 50,212,827.29
  5. Step 5: Solve for x
    x = 50,212,827.29/10,279.16
  6. Step 6: Final answer
    x = 4,884.92

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1.5x scale

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.