Home / 21,532.98-29,714.82-11,972.82

Finding the Fourth Proportional to 21,532.98, 29,714.82 and 11,972.82

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Solution

The fourth proportional to 21,532.98, 29,714.82 and 11,972.82 is: 16,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532.98 : 29,714.82 = 11,972.82 : x
  2. Step 2: Convert to fraction form
    21,532.98/29,714.82 = 11,972.82/x
  3. Step 3: Cross multiply
    21,532.98x = 29,714.82 × 11,972.82
  4. Step 4: Simplify right side
    21,532.98x = 355,770,191.19
  5. Step 5: Solve for x
    x = 355,770,191.19/21,532.98
  6. Step 6: Final answer
    x = 16,522.11

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1.5x scale

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.