Home / 11,193.68-15,447.32-6,158.42

Finding the Fourth Proportional to 11,193.68, 15,447.32 and 6,158.42

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Solution

The fourth proportional to 11,193.68, 15,447.32 and 6,158.42 is: 8,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.68 : 15,447.32 = 6,158.42 : x
  2. Step 2: Convert to fraction form
    11,193.68/15,447.32 = 6,158.42/x
  3. Step 3: Cross multiply
    11,193.68x = 15,447.32 × 6,158.42
  4. Step 4: Simplify right side
    11,193.68x = 95,131,084.43
  5. Step 5: Solve for x
    x = 95,131,084.43/11,193.68
  6. Step 6: Final answer
    x = 8,498.64

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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.