Home / 11,518.82-17,188.37-10,277.70

Finding the Fourth Proportional to 11,518.82, 17,188.37 and 10,277.70

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Solution

The fourth proportional to 11,518.82, 17,188.37 and 10,277.70 is: 15,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.82 : 17,188.37 = 10,277.70 : x
  2. Step 2: Convert to fraction form
    11,518.82/17,188.37 = 10,277.70/x
  3. Step 3: Cross multiply
    11,518.82x = 17,188.37 × 10,277.70
  4. Step 4: Simplify right side
    11,518.82x = 176,656,858.96
  5. Step 5: Solve for x
    x = 176,656,858.96/11,518.82
  6. Step 6: Final answer
    x = 15,336.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.