Home / 11,321.16-15,625.05-6,286.98

Finding the Fourth Proportional to 11,321.16, 15,625.05 and 6,286.98

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Solution

The fourth proportional to 11,321.16, 15,625.05 and 6,286.98 is: 8,677.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.16 : 15,625.05 = 6,286.98 : x
  2. Step 2: Convert to fraction form
    11,321.16/15,625.05 = 6,286.98/x
  3. Step 3: Cross multiply
    11,321.16x = 15,625.05 × 6,286.98
  4. Step 4: Simplify right side
    11,321.16x = 98,234,376.85
  5. Step 5: Solve for x
    x = 98,234,376.85/11,321.16
  6. Step 6: Final answer
    x = 8,677.06

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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.