Home / 23,115.39-34,659.18-11,245.74

Finding the Fourth Proportional to 23,115.39, 34,659.18 and 11,245.74

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Solution

The fourth proportional to 23,115.39, 34,659.18 and 11,245.74 is: 16,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.39 : 34,659.18 = 11,245.74 : x
  2. Step 2: Convert to fraction form
    23,115.39/34,659.18 = 11,245.74/x
  3. Step 3: Cross multiply
    23,115.39x = 34,659.18 × 11,245.74
  4. Step 4: Simplify right side
    23,115.39x = 389,768,126.89
  5. Step 5: Solve for x
    x = 389,768,126.89/23,115.39
  6. Step 6: Final answer
    x = 16,861.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.