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Finding the Fourth Proportional to 8,107.05, 12,160.58 and 7,653.45

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Solution

The fourth proportional to 8,107.05, 12,160.58 and 7,653.45 is: 11,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.05 : 12,160.58 = 7,653.45 : x
  2. Step 2: Convert to fraction form
    8,107.05/12,160.58 = 7,653.45/x
  3. Step 3: Cross multiply
    8,107.05x = 12,160.58 × 7,653.45
  4. Step 4: Simplify right side
    8,107.05x = 93,070,352.73
  5. Step 5: Solve for x
    x = 93,070,352.73/8,107.05
  6. Step 6: Final answer
    x = 11,480.18

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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.