Home / 13,654.95-20,481.54-4,769.64

Finding the Fourth Proportional to 13,654.95, 20,481.54 and 4,769.64

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Solution

The fourth proportional to 13,654.95, 20,481.54 and 4,769.64 is: 7,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.95 : 20,481.54 = 4,769.64 : x
  2. Step 2: Convert to fraction form
    13,654.95/20,481.54 = 4,769.64/x
  3. Step 3: Cross multiply
    13,654.95x = 20,481.54 × 4,769.64
  4. Step 4: Simplify right side
    13,654.95x = 97,689,572.45
  5. Step 5: Solve for x
    x = 97,689,572.45/13,654.95
  6. Step 6: Final answer
    x = 7,154.15

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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.