Home / 22,350.11-30,838.77-12,792.92

Finding the Fourth Proportional to 22,350.11, 30,838.77 and 12,792.92

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Solution

The fourth proportional to 22,350.11, 30,838.77 and 12,792.92 is: 17,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.11 : 30,838.77 = 12,792.92 : x
  2. Step 2: Convert to fraction form
    22,350.11/30,838.77 = 12,792.92/x
  3. Step 3: Cross multiply
    22,350.11x = 30,838.77 × 12,792.92
  4. Step 4: Simplify right side
    22,350.11x = 394,517,763.31
  5. Step 5: Solve for x
    x = 394,517,763.31/22,350.11
  6. Step 6: Final answer
    x = 17,651.72

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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.