Home / 12,446.29-17,170.26-8,196.22

Finding the Fourth Proportional to 12,446.29, 17,170.26 and 8,196.22

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Solution

The fourth proportional to 12,446.29, 17,170.26 and 8,196.22 is: 11,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.29 : 17,170.26 = 8,196.22 : x
  2. Step 2: Convert to fraction form
    12,446.29/17,170.26 = 8,196.22/x
  3. Step 3: Cross multiply
    12,446.29x = 17,170.26 × 8,196.22
  4. Step 4: Simplify right side
    12,446.29x = 140,731,228.42
  5. Step 5: Solve for x
    x = 140,731,228.42/12,446.29
  6. Step 6: Final answer
    x = 11,307.08

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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.