Home / 11,631.80-16,051.91-6,326.71

Finding the Fourth Proportional to 11,631.80, 16,051.91 and 6,326.71

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Solution

The fourth proportional to 11,631.80, 16,051.91 and 6,326.71 is: 8,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.80 : 16,051.91 = 6,326.71 : x
  2. Step 2: Convert to fraction form
    11,631.80/16,051.91 = 6,326.71/x
  3. Step 3: Cross multiply
    11,631.80x = 16,051.91 × 6,326.71
  4. Step 4: Simplify right side
    11,631.80x = 101,555,707.75
  5. Step 5: Solve for x
    x = 101,555,707.75/11,631.80
  6. Step 6: Final answer
    x = 8,730.87

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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.