Home / 10,217.12-14,103.94-6,239.66

Finding the Fourth Proportional to 10,217.12, 14,103.94 and 6,239.66

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Solution

The fourth proportional to 10,217.12, 14,103.94 and 6,239.66 is: 8,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.12 : 14,103.94 = 6,239.66 : x
  2. Step 2: Convert to fraction form
    10,217.12/14,103.94 = 6,239.66/x
  3. Step 3: Cross multiply
    10,217.12x = 14,103.94 × 6,239.66
  4. Step 4: Simplify right side
    10,217.12x = 88,003,790.26
  5. Step 5: Solve for x
    x = 88,003,790.26/10,217.12
  6. Step 6: Final answer
    x = 8,613.37

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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.