Home / 11,382.34-15,707.68-6,346.88

Finding the Fourth Proportional to 11,382.34, 15,707.68 and 6,346.88

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Solution

The fourth proportional to 11,382.34, 15,707.68 and 6,346.88 is: 8,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.34 : 15,707.68 = 6,346.88 : x
  2. Step 2: Convert to fraction form
    11,382.34/15,707.68 = 6,346.88/x
  3. Step 3: Cross multiply
    11,382.34x = 15,707.68 × 6,346.88
  4. Step 4: Simplify right side
    11,382.34x = 99,694,760.04
  5. Step 5: Solve for x
    x = 99,694,760.04/11,382.34
  6. Step 6: Final answer
    x = 8,758.72

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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.