Home / 21,046.26-29,045.61-11,616.78

Finding the Fourth Proportional to 21,046.26, 29,045.61 and 11,616.78

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Solution

The fourth proportional to 21,046.26, 29,045.61 and 11,616.78 is: 16,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.26 : 29,045.61 = 11,616.78 : x
  2. Step 2: Convert to fraction form
    21,046.26/29,045.61 = 11,616.78/x
  3. Step 3: Cross multiply
    21,046.26x = 29,045.61 × 11,616.78
  4. Step 4: Simplify right side
    21,046.26x = 337,416,461.34
  5. Step 5: Solve for x
    x = 337,416,461.34/21,046.26
  6. Step 6: Final answer
    x = 16,032.13

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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.