Home / 10,221.06-14,105.57-6,241.53

Finding the Fourth Proportional to 10,221.06, 14,105.57 and 6,241.53

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Solution

The fourth proportional to 10,221.06, 14,105.57 and 6,241.53 is: 8,613.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.06 : 14,105.57 = 6,241.53 : x
  2. Step 2: Convert to fraction form
    10,221.06/14,105.57 = 6,241.53/x
  3. Step 3: Cross multiply
    10,221.06x = 14,105.57 × 6,241.53
  4. Step 4: Simplify right side
    10,221.06x = 88,040,307.11
  5. Step 5: Solve for x
    x = 88,040,307.11/10,221.06
  6. Step 6: Final answer
    x = 8,613.62

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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.