Home / 13,580.73-20,368.26-3,719.16

Finding the Fourth Proportional to 13,580.73, 20,368.26 and 3,719.16

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Solution

The fourth proportional to 13,580.73, 20,368.26 and 3,719.16 is: 5,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580.73 : 20,368.26 = 3,719.16 : x
  2. Step 2: Convert to fraction form
    13,580.73/20,368.26 = 3,719.16/x
  3. Step 3: Cross multiply
    13,580.73x = 20,368.26 × 3,719.16
  4. Step 4: Simplify right side
    13,580.73x = 75,752,817.86
  5. Step 5: Solve for x
    x = 75,752,817.86/13,580.73
  6. Step 6: Final answer
    x = 5,577.96

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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.