Home / 11,191.01-15,441.89-6,474.38

Finding the Fourth Proportional to 11,191.01, 15,441.89 and 6,474.38

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Solution

The fourth proportional to 11,191.01, 15,441.89 and 6,474.38 is: 8,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.01 : 15,441.89 = 6,474.38 : x
  2. Step 2: Convert to fraction form
    11,191.01/15,441.89 = 6,474.38/x
  3. Step 3: Cross multiply
    11,191.01x = 15,441.89 × 6,474.38
  4. Step 4: Simplify right side
    11,191.01x = 99,976,554.20
  5. Step 5: Solve for x
    x = 99,976,554.20/11,191.01
  6. Step 6: Final answer
    x = 8,933.65

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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.