Home / 8,107.36-12,161.04-6,261.17

Finding the Fourth Proportional to 8,107.36, 12,161.04 and 6,261.17

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Solution

The fourth proportional to 8,107.36, 12,161.04 and 6,261.17 is: 9,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.36 : 12,161.04 = 6,261.17 : x
  2. Step 2: Convert to fraction form
    8,107.36/12,161.04 = 6,261.17/x
  3. Step 3: Cross multiply
    8,107.36x = 12,161.04 × 6,261.17
  4. Step 4: Simplify right side
    8,107.36x = 76,142,254.53
  5. Step 5: Solve for x
    x = 76,142,254.53/8,107.36
  6. Step 6: Final answer
    x = 9,391.75

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