Home / 13,769.57-20,652.58-4,408.81

Finding the Fourth Proportional to 13,769.57, 20,652.58 and 4,408.81

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Solution

The fourth proportional to 13,769.57, 20,652.58 and 4,408.81 is: 6,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.57 : 20,652.58 = 4,408.81 : x
  2. Step 2: Convert to fraction form
    13,769.57/20,652.58 = 4,408.81/x
  3. Step 3: Cross multiply
    13,769.57x = 20,652.58 × 4,408.81
  4. Step 4: Simplify right side
    13,769.57x = 91,053,301.23
  5. Step 5: Solve for x
    x = 91,053,301.23/13,769.57
  6. Step 6: Final answer
    x = 6,612.65

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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.