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Finding the Fourth Proportional to 22,643.31, 33,963.33 and 7,060.53

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Solution

The fourth proportional to 22,643.31, 33,963.33 and 7,060.53 is: 10,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.31 : 33,963.33 = 7,060.53 : x
  2. Step 2: Convert to fraction form
    22,643.31/33,963.33 = 7,060.53/x
  3. Step 3: Cross multiply
    22,643.31x = 33,963.33 × 7,060.53
  4. Step 4: Simplify right side
    22,643.31x = 239,799,110.36
  5. Step 5: Solve for x
    x = 239,799,110.36/22,643.31
  6. Step 6: Final answer
    x = 10,590.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.