Home / 21,481.13-29,645.29-14,298.66

Finding the Fourth Proportional to 21,481.13, 29,645.29 and 14,298.66

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Solution

The fourth proportional to 21,481.13, 29,645.29 and 14,298.66 is: 19,733.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.13 : 29,645.29 = 14,298.66 : x
  2. Step 2: Convert to fraction form
    21,481.13/29,645.29 = 14,298.66/x
  3. Step 3: Cross multiply
    21,481.13x = 29,645.29 × 14,298.66
  4. Step 4: Simplify right side
    21,481.13x = 423,887,940.18
  5. Step 5: Solve for x
    x = 423,887,940.18/21,481.13
  6. Step 6: Final answer
    x = 19,733.04

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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.