Home / 21,641.44-29,873.14-12,696.46

Finding the Fourth Proportional to 21,641.44, 29,873.14 and 12,696.46

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Solution

The fourth proportional to 21,641.44, 29,873.14 and 12,696.46 is: 17,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,641.44 : 29,873.14 = 12,696.46 : x
  2. Step 2: Convert to fraction form
    21,641.44/29,873.14 = 12,696.46/x
  3. Step 3: Cross multiply
    21,641.44x = 29,873.14 × 12,696.46
  4. Step 4: Simplify right side
    21,641.44x = 379,283,127.08
  5. Step 5: Solve for x
    x = 379,283,127.08/21,641.44
  6. Step 6: Final answer
    x = 17,525.78

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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.