Home / 21,062.14-29,065.36-11,630.50

Finding the Fourth Proportional to 21,062.14, 29,065.36 and 11,630.50

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Solution

The fourth proportional to 21,062.14, 29,065.36 and 11,630.50 is: 16,049.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.14 : 29,065.36 = 11,630.50 : x
  2. Step 2: Convert to fraction form
    21,062.14/29,065.36 = 11,630.50/x
  3. Step 3: Cross multiply
    21,062.14x = 29,065.36 × 11,630.50
  4. Step 4: Simplify right side
    21,062.14x = 338,044,669.48
  5. Step 5: Solve for x
    x = 338,044,669.48/21,062.14
  6. Step 6: Final answer
    x = 16,049.87

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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.