Home / 11,314.88-15,614.56-6,346.88

Finding the Fourth Proportional to 11,314.88, 15,614.56 and 6,346.88

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Solution

The fourth proportional to 11,314.88, 15,614.56 and 6,346.88 is: 8,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.88 : 15,614.56 = 6,346.88 : x
  2. Step 2: Convert to fraction form
    11,314.88/15,614.56 = 6,346.88/x
  3. Step 3: Cross multiply
    11,314.88x = 15,614.56 × 6,346.88
  4. Step 4: Simplify right side
    11,314.88x = 99,103,738.57
  5. Step 5: Solve for x
    x = 99,103,738.57/11,314.88
  6. Step 6: Final answer
    x = 8,758.71

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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.