Home / 11,336.88-15,645.60-6,860.76

Finding the Fourth Proportional to 11,336.88, 15,645.60 and 6,860.76

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Solution

The fourth proportional to 11,336.88, 15,645.60 and 6,860.76 is: 9,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.88 : 15,645.60 = 6,860.76 : x
  2. Step 2: Convert to fraction form
    11,336.88/15,645.60 = 6,860.76/x
  3. Step 3: Cross multiply
    11,336.88x = 15,645.60 × 6,860.76
  4. Step 4: Simplify right side
    11,336.88x = 107,340,706.66
  5. Step 5: Solve for x
    x = 107,340,706.66/11,336.88
  6. Step 6: Final answer
    x = 9,468.28

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Half scale
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Double scale
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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.