Home / 23,418.20-35,120.22-12,318.77

Finding the Fourth Proportional to 23,418.20, 35,120.22 and 12,318.77

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Solution

The fourth proportional to 23,418.20, 35,120.22 and 12,318.77 is: 18,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,418.20 : 35,120.22 = 12,318.77 : x
  2. Step 2: Convert to fraction form
    23,418.20/35,120.22 = 12,318.77/x
  3. Step 3: Cross multiply
    23,418.20x = 35,120.22 × 12,318.77
  4. Step 4: Simplify right side
    23,418.20x = 432,637,912.53
  5. Step 5: Solve for x
    x = 432,637,912.53/23,418.20
  6. Step 6: Final answer
    x = 18,474.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.