Home / 11,623.20-17,442-4,697.76

Finding the Fourth Proportional to 11,623.20, 17,442 and 4,697.76

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Solution

The fourth proportional to 11,623.20, 17,442 and 4,697.76 is: 7,049.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.20 : 17,442 = 4,697.76 : x
  2. Step 2: Convert to fraction form
    11,623.20/17,442 = 4,697.76/x
  3. Step 3: Cross multiply
    11,623.20x = 17,442 × 4,697.76
  4. Step 4: Simplify right side
    11,623.20x = 81,938,329.92
  5. Step 5: Solve for x
    x = 81,938,329.92/11,623.20
  6. Step 6: Final answer
    x = 7,049.55

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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.