Home / 11,230.77-16,832.49-7,944.81

Finding the Fourth Proportional to 11,230.77, 16,832.49 and 7,944.81

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Solution

The fourth proportional to 11,230.77, 16,832.49 and 7,944.81 is: 11,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.77 : 16,832.49 = 7,944.81 : x
  2. Step 2: Convert to fraction form
    11,230.77/16,832.49 = 7,944.81/x
  3. Step 3: Cross multiply
    11,230.77x = 16,832.49 × 7,944.81
  4. Step 4: Simplify right side
    11,230.77x = 133,730,934.88
  5. Step 5: Solve for x
    x = 133,730,934.88/11,230.77
  6. Step 6: Final answer
    x = 11,907.55

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1.5x scale

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.