Home / 11,099.19-15,316.92-6,383.45

Finding the Fourth Proportional to 11,099.19, 15,316.92 and 6,383.45

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Solution

The fourth proportional to 11,099.19, 15,316.92 and 6,383.45 is: 8,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.19 : 15,316.92 = 6,383.45 : x
  2. Step 2: Convert to fraction form
    11,099.19/15,316.92 = 6,383.45/x
  3. Step 3: Cross multiply
    11,099.19x = 15,316.92 × 6,383.45
  4. Step 4: Simplify right side
    11,099.19x = 97,774,716.39
  5. Step 5: Solve for x
    x = 97,774,716.39/11,099.19
  6. Step 6: Final answer
    x = 8,809.18

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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.