Home / 22,518.57-31,074.66-12,446.49

Finding the Fourth Proportional to 22,518.57, 31,074.66 and 12,446.49

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Solution

The fourth proportional to 22,518.57, 31,074.66 and 12,446.49 is: 17,175.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.57 : 31,074.66 = 12,446.49 : x
  2. Step 2: Convert to fraction form
    22,518.57/31,074.66 = 12,446.49/x
  3. Step 3: Cross multiply
    22,518.57x = 31,074.66 × 12,446.49
  4. Step 4: Simplify right side
    22,518.57x = 386,770,444.94
  5. Step 5: Solve for x
    x = 386,770,444.94/22,518.57
  6. Step 6: Final answer
    x = 17,175.62

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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.