Home / 10,221.96-14,103.60-6,242.82

Finding the Fourth Proportional to 10,221.96, 14,103.60 and 6,242.82

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Solution

The fourth proportional to 10,221.96, 14,103.60 and 6,242.82 is: 8,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.96 : 14,103.60 = 6,242.82 : x
  2. Step 2: Convert to fraction form
    10,221.96/14,103.60 = 6,242.82/x
  3. Step 3: Cross multiply
    10,221.96x = 14,103.60 × 6,242.82
  4. Step 4: Simplify right side
    10,221.96x = 88,046,236.15
  5. Step 5: Solve for x
    x = 88,046,236.15/10,221.96
  6. Step 6: Final answer
    x = 8,613.44

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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.