Home / 9,108.10-13,662.15-6,343.30

Finding the Fourth Proportional to 9,108.10, 13,662.15 and 6,343.30

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Solution

The fourth proportional to 9,108.10, 13,662.15 and 6,343.30 is: 9,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.10 : 13,662.15 = 6,343.30 : x
  2. Step 2: Convert to fraction form
    9,108.10/13,662.15 = 6,343.30/x
  3. Step 3: Cross multiply
    9,108.10x = 13,662.15 × 6,343.30
  4. Step 4: Simplify right side
    9,108.10x = 86,663,116.10
  5. Step 5: Solve for x
    x = 86,663,116.10/9,108.10
  6. Step 6: Final answer
    x = 9,514.95

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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.