Home / 11,102.19-15,321.38-6,066.89

Finding the Fourth Proportional to 11,102.19, 15,321.38 and 6,066.89

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Solution

The fourth proportional to 11,102.19, 15,321.38 and 6,066.89 is: 8,372.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.19 : 15,321.38 = 6,066.89 : x
  2. Step 2: Convert to fraction form
    11,102.19/15,321.38 = 6,066.89/x
  3. Step 3: Cross multiply
    11,102.19x = 15,321.38 × 6,066.89
  4. Step 4: Simplify right side
    11,102.19x = 92,953,020.17
  5. Step 5: Solve for x
    x = 92,953,020.17/11,102.19
  6. Step 6: Final answer
    x = 8,372.49

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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.