Home / 22,156.88-30,576.76-12,726.32

Finding the Fourth Proportional to 22,156.88, 30,576.76 and 12,726.32

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Solution

The fourth proportional to 22,156.88, 30,576.76 and 12,726.32 is: 17,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,156.88 : 30,576.76 = 12,726.32 : x
  2. Step 2: Convert to fraction form
    22,156.88/30,576.76 = 12,726.32/x
  3. Step 3: Cross multiply
    22,156.88x = 30,576.76 × 12,726.32
  4. Step 4: Simplify right side
    22,156.88x = 389,129,447.62
  5. Step 5: Solve for x
    x = 389,129,447.62/22,156.88
  6. Step 6: Final answer
    x = 17,562.47

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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.