Home / 21,265.76-29,347.44-11,834.66

Finding the Fourth Proportional to 21,265.76, 29,347.44 and 11,834.66

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Solution

The fourth proportional to 21,265.76, 29,347.44 and 11,834.66 is: 16,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265.76 : 29,347.44 = 11,834.66 : x
  2. Step 2: Convert to fraction form
    21,265.76/29,347.44 = 11,834.66/x
  3. Step 3: Cross multiply
    21,265.76x = 29,347.44 × 11,834.66
  4. Step 4: Simplify right side
    21,265.76x = 347,316,974.27
  5. Step 5: Solve for x
    x = 347,316,974.27/21,265.76
  6. Step 6: Final answer
    x = 16,332.22

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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.