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Finding the Fourth Proportional to 8,900.06, 12,277.62 and 8,266.85

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Solution

The fourth proportional to 8,900.06, 12,277.62 and 8,266.85 is: 11,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.06 : 12,277.62 = 8,266.85 : x
  2. Step 2: Convert to fraction form
    8,900.06/12,277.62 = 8,266.85/x
  3. Step 3: Cross multiply
    8,900.06x = 12,277.62 × 8,266.85
  4. Step 4: Simplify right side
    8,900.06x = 101,497,181.51
  5. Step 5: Solve for x
    x = 101,497,181.51/8,900.06
  6. Step 6: Final answer
    x = 11,404.11

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Half scale
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Double scale
Find fourth proportional to 8,901.06, 12,279 and 8,267.85
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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.