Home / 20,328.54-30,495.48-9,083.96

Finding the Fourth Proportional to 20,328.54, 30,495.48 and 9,083.96

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Solution

The fourth proportional to 20,328.54, 30,495.48 and 9,083.96 is: 13,627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,328.54 : 30,495.48 = 9,083.96 : x
  2. Step 2: Convert to fraction form
    20,328.54/30,495.48 = 9,083.96/x
  3. Step 3: Cross multiply
    20,328.54x = 30,495.48 × 9,083.96
  4. Step 4: Simplify right side
    20,328.54x = 277,019,568.02
  5. Step 5: Solve for x
    x = 277,019,568.02/20,328.54
  6. Step 6: Final answer
    x = 13,627.13

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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.