Home / 9,321.19-12,864.15-6,959.23

Finding the Fourth Proportional to 9,321.19, 12,864.15 and 6,959.23

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Solution

The fourth proportional to 9,321.19, 12,864.15 and 6,959.23 is: 9,604.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.19 : 12,864.15 = 6,959.23 : x
  2. Step 2: Convert to fraction form
    9,321.19/12,864.15 = 6,959.23/x
  3. Step 3: Cross multiply
    9,321.19x = 12,864.15 × 6,959.23
  4. Step 4: Simplify right side
    9,321.19x = 89,524,578.60
  5. Step 5: Solve for x
    x = 89,524,578.60/9,321.19
  6. Step 6: Final answer
    x = 9,604.42

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Half scale
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Double scale
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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.