Home / 11,216.04-15,477.78-6,180.12

Finding the Fourth Proportional to 11,216.04, 15,477.78 and 6,180.12

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Solution

The fourth proportional to 11,216.04, 15,477.78 and 6,180.12 is: 8,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.04 : 15,477.78 = 6,180.12 : x
  2. Step 2: Convert to fraction form
    11,216.04/15,477.78 = 6,180.12/x
  3. Step 3: Cross multiply
    11,216.04x = 15,477.78 × 6,180.12
  4. Step 4: Simplify right side
    11,216.04x = 95,654,537.73
  5. Step 5: Solve for x
    x = 95,654,537.73/11,216.04
  6. Step 6: Final answer
    x = 8,528.37

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