Home / 22,745.55-31,391.17-12,675.63

Finding the Fourth Proportional to 22,745.55, 31,391.17 and 12,675.63

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Solution

The fourth proportional to 22,745.55, 31,391.17 and 12,675.63 is: 17,493.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745.55 : 31,391.17 = 12,675.63 : x
  2. Step 2: Convert to fraction form
    22,745.55/31,391.17 = 12,675.63/x
  3. Step 3: Cross multiply
    22,745.55x = 31,391.17 × 12,675.63
  4. Step 4: Simplify right side
    22,745.55x = 397,902,856.19
  5. Step 5: Solve for x
    x = 397,902,856.19/22,745.55
  6. Step 6: Final answer
    x = 17,493.66

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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.