Home / 12,718.97-17,534.90-10,726.03

Finding the Fourth Proportional to 12,718.97, 17,534.90 and 10,726.03

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Solution

The fourth proportional to 12,718.97, 17,534.90 and 10,726.03 is: 14,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.97 : 17,534.90 = 10,726.03 : x
  2. Step 2: Convert to fraction form
    12,718.97/17,534.90 = 10,726.03/x
  3. Step 3: Cross multiply
    12,718.97x = 17,534.90 × 10,726.03
  4. Step 4: Simplify right side
    12,718.97x = 188,079,846.42
  5. Step 5: Solve for x
    x = 188,079,846.42/12,718.97
  6. Step 6: Final answer
    x = 14,787.35

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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.