Home / 11,326.08-15,630.16-6,849.04

Finding the Fourth Proportional to 11,326.08, 15,630.16 and 6,849.04

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Solution

The fourth proportional to 11,326.08, 15,630.16 and 6,849.04 is: 9,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.08 : 15,630.16 = 6,849.04 : x
  2. Step 2: Convert to fraction form
    11,326.08/15,630.16 = 6,849.04/x
  3. Step 3: Cross multiply
    11,326.08x = 15,630.16 × 6,849.04
  4. Step 4: Simplify right side
    11,326.08x = 107,051,591.05
  5. Step 5: Solve for x
    x = 107,051,591.05/11,326.08
  6. Step 6: Final answer
    x = 9,451.78

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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.