Home / 9,326.19-13,998.47-7,776.12

Finding the Fourth Proportional to 9,326.19, 13,998.47 and 7,776.12

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Solution

The fourth proportional to 9,326.19, 13,998.47 and 7,776.12 is: 11,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.19 : 13,998.47 = 7,776.12 : x
  2. Step 2: Convert to fraction form
    9,326.19/13,998.47 = 7,776.12/x
  3. Step 3: Cross multiply
    9,326.19x = 13,998.47 × 7,776.12
  4. Step 4: Simplify right side
    9,326.19x = 108,853,743.66
  5. Step 5: Solve for x
    x = 108,853,743.66/9,326.19
  6. Step 6: Final answer
    x = 11,671.83

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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.