Home / 13,795.28-20,676.72-6,384.10

Finding the Fourth Proportional to 13,795.28, 20,676.72 and 6,384.10

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Solution

The fourth proportional to 13,795.28, 20,676.72 and 6,384.10 is: 9,568.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.28 : 20,676.72 = 6,384.10 : x
  2. Step 2: Convert to fraction form
    13,795.28/20,676.72 = 6,384.10/x
  3. Step 3: Cross multiply
    13,795.28x = 20,676.72 × 6,384.10
  4. Step 4: Simplify right side
    13,795.28x = 132,002,248.15
  5. Step 5: Solve for x
    x = 132,002,248.15/13,795.28
  6. Step 6: Final answer
    x = 9,568.65

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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.