Home / 11,191.57-15,442.65-6,474.94

Finding the Fourth Proportional to 11,191.57, 15,442.65 and 6,474.94

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Solution

The fourth proportional to 11,191.57, 15,442.65 and 6,474.94 is: 8,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.57 : 15,442.65 = 6,474.94 : x
  2. Step 2: Convert to fraction form
    11,191.57/15,442.65 = 6,474.94/x
  3. Step 3: Cross multiply
    11,191.57x = 15,442.65 × 6,474.94
  4. Step 4: Simplify right side
    11,191.57x = 99,990,193.58
  5. Step 5: Solve for x
    x = 99,990,193.58/11,191.57
  6. Step 6: Final answer
    x = 8,934.42

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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.