Home / 11,322.68-15,625.15-6,286.88

Finding the Fourth Proportional to 11,322.68, 15,625.15 and 6,286.88

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Solution

The fourth proportional to 11,322.68, 15,625.15 and 6,286.88 is: 8,675.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.68 : 15,625.15 = 6,286.88 : x
  2. Step 2: Convert to fraction form
    11,322.68/15,625.15 = 6,286.88/x
  3. Step 3: Cross multiply
    11,322.68x = 15,625.15 × 6,286.88
  4. Step 4: Simplify right side
    11,322.68x = 98,233,466.38
  5. Step 5: Solve for x
    x = 98,233,466.38/11,322.68
  6. Step 6: Final answer
    x = 8,675.82

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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.