Home / 11,099.66-15,316.86-6,383.96

Finding the Fourth Proportional to 11,099.66, 15,316.86 and 6,383.96

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Solution

The fourth proportional to 11,099.66, 15,316.86 and 6,383.96 is: 8,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.66 : 15,316.86 = 6,383.96 : x
  2. Step 2: Convert to fraction form
    11,099.66/15,316.86 = 6,383.96/x
  3. Step 3: Cross multiply
    11,099.66x = 15,316.86 × 6,383.96
  4. Step 4: Simplify right side
    11,099.66x = 97,782,221.57
  5. Step 5: Solve for x
    x = 97,782,221.57/11,099.66
  6. Step 6: Final answer
    x = 8,809.48

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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.