Home / 21,076.26-29,087.02-11,646.52

Finding the Fourth Proportional to 21,076.26, 29,087.02 and 11,646.52

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Solution

The fourth proportional to 21,076.26, 29,087.02 and 11,646.52 is: 16,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,076.26 : 29,087.02 = 11,646.52 : x
  2. Step 2: Convert to fraction form
    21,076.26/29,087.02 = 11,646.52/x
  3. Step 3: Cross multiply
    21,076.26x = 29,087.02 × 11,646.52
  4. Step 4: Simplify right side
    21,076.26x = 338,762,560.17
  5. Step 5: Solve for x
    x = 338,762,560.17/21,076.26
  6. Step 6: Final answer
    x = 16,073.18

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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.