Home / 12,249.96-16,905.12-6,944.65

Finding the Fourth Proportional to 12,249.96, 16,905.12 and 6,944.65

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Solution

The fourth proportional to 12,249.96, 16,905.12 and 6,944.65 is: 9,583.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.96 : 16,905.12 = 6,944.65 : x
  2. Step 2: Convert to fraction form
    12,249.96/16,905.12 = 6,944.65/x
  3. Step 3: Cross multiply
    12,249.96x = 16,905.12 × 6,944.65
  4. Step 4: Simplify right side
    12,249.96x = 117,400,141.61
  5. Step 5: Solve for x
    x = 117,400,141.61/12,249.96
  6. Step 6: Final answer
    x = 9,583.72

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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.