Home / 13,383.18-20,083.98-4,618.10

Finding the Fourth Proportional to 13,383.18, 20,083.98 and 4,618.10

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Solution

The fourth proportional to 13,383.18, 20,083.98 and 4,618.10 is: 6,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.18 : 20,083.98 = 4,618.10 : x
  2. Step 2: Convert to fraction form
    13,383.18/20,083.98 = 4,618.10/x
  3. Step 3: Cross multiply
    13,383.18x = 20,083.98 × 4,618.10
  4. Step 4: Simplify right side
    13,383.18x = 92,749,727.62
  5. Step 5: Solve for x
    x = 92,749,727.62/13,383.18
  6. Step 6: Final answer
    x = 6,930.32

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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.