Home / 11,859.30-16,363.01-7,380.65

Finding the Fourth Proportional to 11,859.30, 16,363.01 and 7,380.65

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Solution

The fourth proportional to 11,859.30, 16,363.01 and 7,380.65 is: 10,183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.30 : 16,363.01 = 7,380.65 : x
  2. Step 2: Convert to fraction form
    11,859.30/16,363.01 = 7,380.65/x
  3. Step 3: Cross multiply
    11,859.30x = 16,363.01 × 7,380.65
  4. Step 4: Simplify right side
    11,859.30x = 120,769,531.04
  5. Step 5: Solve for x
    x = 120,769,531.04/11,859.30
  6. Step 6: Final answer
    x = 10,183.53

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1.5x scale

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.