Home / 9,479.11-13,081.43-5,230.23

Finding the Fourth Proportional to 9,479.11, 13,081.43 and 5,230.23

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Solution

The fourth proportional to 9,479.11, 13,081.43 and 5,230.23 is: 7,217.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.11 : 13,081.43 = 5,230.23 : x
  2. Step 2: Convert to fraction form
    9,479.11/13,081.43 = 5,230.23/x
  3. Step 3: Cross multiply
    9,479.11x = 13,081.43 × 5,230.23
  4. Step 4: Simplify right side
    9,479.11x = 68,418,887.63
  5. Step 5: Solve for x
    x = 68,418,887.63/9,479.11
  6. Step 6: Final answer
    x = 7,217.86

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Half scale
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Double scale
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Similar ratio
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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.