Home / 11,224.70-15,488.01-6,748.52

Finding the Fourth Proportional to 11,224.70, 15,488.01 and 6,748.52

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Solution

The fourth proportional to 11,224.70, 15,488.01 and 6,748.52 is: 9,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.70 : 15,488.01 = 6,748.52 : x
  2. Step 2: Convert to fraction form
    11,224.70/15,488.01 = 6,748.52/x
  3. Step 3: Cross multiply
    11,224.70x = 15,488.01 × 6,748.52
  4. Step 4: Simplify right side
    11,224.70x = 104,521,183.97
  5. Step 5: Solve for x
    x = 104,521,183.97/11,224.70
  6. Step 6: Final answer
    x = 9,311.72

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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.