Home / 11,210.35-16,821.32-4,974.66

Finding the Fourth Proportional to 11,210.35, 16,821.32 and 4,974.66

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Solution

The fourth proportional to 11,210.35, 16,821.32 and 4,974.66 is: 7,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.35 : 16,821.32 = 4,974.66 : x
  2. Step 2: Convert to fraction form
    11,210.35/16,821.32 = 4,974.66/x
  3. Step 3: Cross multiply
    11,210.35x = 16,821.32 × 4,974.66
  4. Step 4: Simplify right side
    11,210.35x = 83,680,347.75
  5. Step 5: Solve for x
    x = 83,680,347.75/11,210.35
  6. Step 6: Final answer
    x = 7,464.56

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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.