Home / 22,208.92-30,665.96-13,723.36

Finding the Fourth Proportional to 22,208.92, 30,665.96 and 13,723.36

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Solution

The fourth proportional to 22,208.92, 30,665.96 and 13,723.36 is: 18,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.92 : 30,665.96 = 13,723.36 : x
  2. Step 2: Convert to fraction form
    22,208.92/30,665.96 = 13,723.36/x
  3. Step 3: Cross multiply
    22,208.92x = 30,665.96 × 13,723.36
  4. Step 4: Simplify right side
    22,208.92x = 420,840,008.83
  5. Step 5: Solve for x
    x = 420,840,008.83/22,208.92
  6. Step 6: Final answer
    x = 18,949.14

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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.