Home / 12,634.29-17,450.78-8,668.53

Finding the Fourth Proportional to 12,634.29, 17,450.78 and 8,668.53

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Solution

The fourth proportional to 12,634.29, 17,450.78 and 8,668.53 is: 11,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.29 : 17,450.78 = 8,668.53 : x
  2. Step 2: Convert to fraction form
    12,634.29/17,450.78 = 8,668.53/x
  3. Step 3: Cross multiply
    12,634.29x = 17,450.78 × 8,668.53
  4. Step 4: Simplify right side
    12,634.29x = 151,272,566.61
  5. Step 5: Solve for x
    x = 151,272,566.61/12,634.29
  6. Step 6: Final answer
    x = 11,973.18

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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.