Home / 12,726.27-19,175.22-10,553.31

Finding the Fourth Proportional to 12,726.27, 19,175.22 and 10,553.31

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Solution

The fourth proportional to 12,726.27, 19,175.22 and 10,553.31 is: 15,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.27 : 19,175.22 = 10,553.31 : x
  2. Step 2: Convert to fraction form
    12,726.27/19,175.22 = 10,553.31/x
  3. Step 3: Cross multiply
    12,726.27x = 19,175.22 × 10,553.31
  4. Step 4: Simplify right side
    12,726.27x = 202,362,040.98
  5. Step 5: Solve for x
    x = 202,362,040.98/12,726.27
  6. Step 6: Final answer
    x = 15,901.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.