Home / 11,518.74-17,278.04-4,949.54

Finding the Fourth Proportional to 11,518.74, 17,278.04 and 4,949.54

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Solution

The fourth proportional to 11,518.74, 17,278.04 and 4,949.54 is: 7,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.74 : 17,278.04 = 4,949.54 : x
  2. Step 2: Convert to fraction form
    11,518.74/17,278.04 = 4,949.54/x
  3. Step 3: Cross multiply
    11,518.74x = 17,278.04 × 4,949.54
  4. Step 4: Simplify right side
    11,518.74x = 85,518,350.10
  5. Step 5: Solve for x
    x = 85,518,350.10/11,518.74
  6. Step 6: Final answer
    x = 7,424.28

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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.