Home / 21,534.74-29,714.33-11,974.36

Finding the Fourth Proportional to 21,534.74, 29,714.33 and 11,974.36

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Solution

The fourth proportional to 21,534.74, 29,714.33 and 11,974.36 is: 16,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534.74 : 29,714.33 = 11,974.36 : x
  2. Step 2: Convert to fraction form
    21,534.74/29,714.33 = 11,974.36/x
  3. Step 3: Cross multiply
    21,534.74x = 29,714.33 × 11,974.36
  4. Step 4: Simplify right side
    21,534.74x = 355,810,084.58
  5. Step 5: Solve for x
    x = 355,810,084.58/21,534.74
  6. Step 6: Final answer
    x = 16,522.61

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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.