Home / 12,115.04-18,166.63-4,997.95

Finding the Fourth Proportional to 12,115.04, 18,166.63 and 4,997.95

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Solution

The fourth proportional to 12,115.04, 18,166.63 and 4,997.95 is: 7,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115.04 : 18,166.63 = 4,997.95 : x
  2. Step 2: Convert to fraction form
    12,115.04/18,166.63 = 4,997.95/x
  3. Step 3: Cross multiply
    12,115.04x = 18,166.63 × 4,997.95
  4. Step 4: Simplify right side
    12,115.04x = 90,795,850.50
  5. Step 5: Solve for x
    x = 90,795,850.50/12,115.04
  6. Step 6: Final answer
    x = 7,494.48

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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.