Home / 22,343.92-30,834.41-12,272.51

Finding the Fourth Proportional to 22,343.92, 30,834.41 and 12,272.51

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Solution

The fourth proportional to 22,343.92, 30,834.41 and 12,272.51 is: 16,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,343.92 : 30,834.41 = 12,272.51 : x
  2. Step 2: Convert to fraction form
    22,343.92/30,834.41 = 12,272.51/x
  3. Step 3: Cross multiply
    22,343.92x = 30,834.41 × 12,272.51
  4. Step 4: Simplify right side
    22,343.92x = 378,415,620.79
  5. Step 5: Solve for x
    x = 378,415,620.79/22,343.92
  6. Step 6: Final answer
    x = 16,935.96

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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.