Home / 11,804.19-16,272.68-8,256.39

Finding the Fourth Proportional to 11,804.19, 16,272.68 and 8,256.39

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Solution

The fourth proportional to 11,804.19, 16,272.68 and 8,256.39 is: 11,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804.19 : 16,272.68 = 8,256.39 : x
  2. Step 2: Convert to fraction form
    11,804.19/16,272.68 = 8,256.39/x
  3. Step 3: Cross multiply
    11,804.19x = 16,272.68 × 8,256.39
  4. Step 4: Simplify right side
    11,804.19x = 134,353,551.14
  5. Step 5: Solve for x
    x = 134,353,551.14/11,804.19
  6. Step 6: Final answer
    x = 11,381.85

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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.