Home / 22,965.41-31,691.97-12,893.58

Finding the Fourth Proportional to 22,965.41, 31,691.97 and 12,893.58

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Solution

The fourth proportional to 22,965.41, 31,691.97 and 12,893.58 is: 17,792.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,965.41 : 31,691.97 = 12,893.58 : x
  2. Step 2: Convert to fraction form
    22,965.41/31,691.97 = 12,893.58/x
  3. Step 3: Cross multiply
    22,965.41x = 31,691.97 × 12,893.58
  4. Step 4: Simplify right side
    22,965.41x = 408,622,950.55
  5. Step 5: Solve for x
    x = 408,622,950.55/22,965.41
  6. Step 6: Final answer
    x = 17,792.98

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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.