Home / 11,832.72-16,329.96-6,864.72

Finding the Fourth Proportional to 11,832.72, 16,329.96 and 6,864.72

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Solution

The fourth proportional to 11,832.72, 16,329.96 and 6,864.72 is: 9,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.72 : 16,329.96 = 6,864.72 : x
  2. Step 2: Convert to fraction form
    11,832.72/16,329.96 = 6,864.72/x
  3. Step 3: Cross multiply
    11,832.72x = 16,329.96 × 6,864.72
  4. Step 4: Simplify right side
    11,832.72x = 112,100,603.01
  5. Step 5: Solve for x
    x = 112,100,603.01/11,832.72
  6. Step 6: Final answer
    x = 9,473.78

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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.