Home / 13,346.60-20,020.19-4,581.38

Finding the Fourth Proportional to 13,346.60, 20,020.19 and 4,581.38

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Solution

The fourth proportional to 13,346.60, 20,020.19 and 4,581.38 is: 6,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.60 : 20,020.19 = 4,581.38 : x
  2. Step 2: Convert to fraction form
    13,346.60/20,020.19 = 4,581.38/x
  3. Step 3: Cross multiply
    13,346.60x = 20,020.19 × 4,581.38
  4. Step 4: Simplify right side
    13,346.60x = 91,719,975.05
  5. Step 5: Solve for x
    x = 91,719,975.05/13,346.60
  6. Step 6: Final answer
    x = 6,872.16

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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.