Home / 21,713.44-29,959.32-12,760.24

Finding the Fourth Proportional to 21,713.44, 29,959.32 and 12,760.24

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Solution

The fourth proportional to 21,713.44, 29,959.32 and 12,760.24 is: 17,606.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713.44 : 29,959.32 = 12,760.24 : x
  2. Step 2: Convert to fraction form
    21,713.44/29,959.32 = 12,760.24/x
  3. Step 3: Cross multiply
    21,713.44x = 29,959.32 × 12,760.24
  4. Step 4: Simplify right side
    21,713.44x = 382,288,113.44
  5. Step 5: Solve for x
    x = 382,288,113.44/21,713.44
  6. Step 6: Final answer
    x = 17,606.06

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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.