Home / 11,311.31-15,595.26-8,084.99

Finding the Fourth Proportional to 11,311.31, 15,595.26 and 8,084.99

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Solution

The fourth proportional to 11,311.31, 15,595.26 and 8,084.99 is: 11,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.31 : 15,595.26 = 8,084.99 : x
  2. Step 2: Convert to fraction form
    11,311.31/15,595.26 = 8,084.99/x
  3. Step 3: Cross multiply
    11,311.31x = 15,595.26 × 8,084.99
  4. Step 4: Simplify right side
    11,311.31x = 126,087,521.15
  5. Step 5: Solve for x
    x = 126,087,521.15/11,311.31
  6. Step 6: Final answer
    x = 11,147.03

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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.