Home / 21,275.46-29,359.82-11,844.02

Finding the Fourth Proportional to 21,275.46, 29,359.82 and 11,844.02

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Solution

The fourth proportional to 21,275.46, 29,359.82 and 11,844.02 is: 16,344.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275.46 : 29,359.82 = 11,844.02 : x
  2. Step 2: Convert to fraction form
    21,275.46/29,359.82 = 11,844.02/x
  3. Step 3: Cross multiply
    21,275.46x = 29,359.82 × 11,844.02
  4. Step 4: Simplify right side
    21,275.46x = 347,738,398.29
  5. Step 5: Solve for x
    x = 347,738,398.29/21,275.46
  6. Step 6: Final answer
    x = 16,344.58

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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.