Home / 18,632.68-27,961.56-6,945.90

Finding the Fourth Proportional to 18,632.68, 27,961.56 and 6,945.90

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Solution

The fourth proportional to 18,632.68, 27,961.56 and 6,945.90 is: 10,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.68 : 27,961.56 = 6,945.90 : x
  2. Step 2: Convert to fraction form
    18,632.68/27,961.56 = 6,945.90/x
  3. Step 3: Cross multiply
    18,632.68x = 27,961.56 × 6,945.90
  4. Step 4: Simplify right side
    18,632.68x = 194,218,199.60
  5. Step 5: Solve for x
    x = 194,218,199.60/18,632.68
  6. Step 6: Final answer
    x = 10,423.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.