Home / 22,723.10-31,359.92-12,653.79

Finding the Fourth Proportional to 22,723.10, 31,359.92 and 12,653.79

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Solution

The fourth proportional to 22,723.10, 31,359.92 and 12,653.79 is: 17,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,723.10 : 31,359.92 = 12,653.79 : x
  2. Step 2: Convert to fraction form
    22,723.10/31,359.92 = 12,653.79/x
  3. Step 3: Cross multiply
    22,723.10x = 31,359.92 × 12,653.79
  4. Step 4: Simplify right side
    22,723.10x = 396,821,778.83
  5. Step 5: Solve for x
    x = 396,821,778.83/22,723.10
  6. Step 6: Final answer
    x = 17,463.37

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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.