Home / 22,723.20-31,357.80-12,651.48

Finding the Fourth Proportional to 22,723.20, 31,357.80 and 12,651.48

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Solution

The fourth proportional to 22,723.20, 31,357.80 and 12,651.48 is: 17,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,723.20 : 31,357.80 = 12,651.48 : x
  2. Step 2: Convert to fraction form
    22,723.20/31,357.80 = 12,651.48/x
  3. Step 3: Cross multiply
    22,723.20x = 31,357.80 × 12,651.48
  4. Step 4: Simplify right side
    22,723.20x = 396,722,579.54
  5. Step 5: Solve for x
    x = 396,722,579.54/22,723.20
  6. Step 6: Final answer
    x = 17,458.92

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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.