Home / 11,383.40-17,072.64-3,587.96

Finding the Fourth Proportional to 11,383.40, 17,072.64 and 3,587.96

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Solution

The fourth proportional to 11,383.40, 17,072.64 and 3,587.96 is: 5,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.40 : 17,072.64 = 3,587.96 : x
  2. Step 2: Convert to fraction form
    11,383.40/17,072.64 = 3,587.96/x
  3. Step 3: Cross multiply
    11,383.40x = 17,072.64 × 3,587.96
  4. Step 4: Simplify right side
    11,383.40x = 61,255,949.41
  5. Step 5: Solve for x
    x = 61,255,949.41/11,383.40
  6. Step 6: Final answer
    x = 5,381.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.