Home / 21,568.49-29,764.50-12,614.24

Finding the Fourth Proportional to 21,568.49, 29,764.50 and 12,614.24

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Solution

The fourth proportional to 21,568.49, 29,764.50 and 12,614.24 is: 17,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.49 : 29,764.50 = 12,614.24 : x
  2. Step 2: Convert to fraction form
    21,568.49/29,764.50 = 12,614.24/x
  3. Step 3: Cross multiply
    21,568.49x = 29,764.50 × 12,614.24
  4. Step 4: Simplify right side
    21,568.49x = 375,456,668.66
  5. Step 5: Solve for x
    x = 375,456,668.66/21,568.49
  6. Step 6: Final answer
    x = 17,407.65

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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.