Home / 13,484.87-20,236.41-4,719.86

Finding the Fourth Proportional to 13,484.87, 20,236.41 and 4,719.86

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Solution

The fourth proportional to 13,484.87, 20,236.41 and 4,719.86 is: 7,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.87 : 20,236.41 = 4,719.86 : x
  2. Step 2: Convert to fraction form
    13,484.87/20,236.41 = 4,719.86/x
  3. Step 3: Cross multiply
    13,484.87x = 20,236.41 × 4,719.86
  4. Step 4: Simplify right side
    13,484.87x = 95,512,920.92
  5. Step 5: Solve for x
    x = 95,512,920.92/13,484.87
  6. Step 6: Final answer
    x = 7,082.97

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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.