Home / 21,266.57-29,348.37-11,834.52

Finding the Fourth Proportional to 21,266.57, 29,348.37 and 11,834.52

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Solution

The fourth proportional to 21,266.57, 29,348.37 and 11,834.52 is: 16,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.57 : 29,348.37 = 11,834.52 : x
  2. Step 2: Convert to fraction form
    21,266.57/29,348.37 = 11,834.52/x
  3. Step 3: Cross multiply
    21,266.57x = 29,348.37 × 11,834.52
  4. Step 4: Simplify right side
    21,266.57x = 347,323,871.73
  5. Step 5: Solve for x
    x = 347,323,871.73/21,266.57
  6. Step 6: Final answer
    x = 16,331.92

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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.