Home / 23,279.64-34,919.61-6,639.63

Finding the Fourth Proportional to 23,279.64, 34,919.61 and 6,639.63

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Solution

The fourth proportional to 23,279.64, 34,919.61 and 6,639.63 is: 9,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.64 : 34,919.61 = 6,639.63 : x
  2. Step 2: Convert to fraction form
    23,279.64/34,919.61 = 6,639.63/x
  3. Step 3: Cross multiply
    23,279.64x = 34,919.61 × 6,639.63
  4. Step 4: Simplify right side
    23,279.64x = 231,853,290.14
  5. Step 5: Solve for x
    x = 231,853,290.14/23,279.64
  6. Step 6: Final answer
    x = 9,959.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.