Home / 22,001.68-30,362.20-11,930.34

Finding the Fourth Proportional to 22,001.68, 30,362.20 and 11,930.34

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Solution

The fourth proportional to 22,001.68, 30,362.20 and 11,930.34 is: 16,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.68 : 30,362.20 = 11,930.34 : x
  2. Step 2: Convert to fraction form
    22,001.68/30,362.20 = 11,930.34/x
  3. Step 3: Cross multiply
    22,001.68x = 30,362.20 × 11,930.34
  4. Step 4: Simplify right side
    22,001.68x = 362,231,369.15
  5. Step 5: Solve for x
    x = 362,231,369.15/22,001.68
  6. Step 6: Final answer
    x = 16,463.80

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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.