Home / 11,191.55-15,444.41-6,155.64

Finding the Fourth Proportional to 11,191.55, 15,444.41 and 6,155.64

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Solution

The fourth proportional to 11,191.55, 15,444.41 and 6,155.64 is: 8,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.55 : 15,444.41 = 6,155.64 : x
  2. Step 2: Convert to fraction form
    11,191.55/15,444.41 = 6,155.64/x
  3. Step 3: Cross multiply
    11,191.55x = 15,444.41 × 6,155.64
  4. Step 4: Simplify right side
    11,191.55x = 95,070,143.96
  5. Step 5: Solve for x
    x = 95,070,143.96/11,191.55
  6. Step 6: Final answer
    x = 8,494.82

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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.