Home / 8,731.16-13,096.68-6,103.80

Finding the Fourth Proportional to 8,731.16, 13,096.68 and 6,103.80

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Solution

The fourth proportional to 8,731.16, 13,096.68 and 6,103.80 is: 9,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.16 : 13,096.68 = 6,103.80 : x
  2. Step 2: Convert to fraction form
    8,731.16/13,096.68 = 6,103.80/x
  3. Step 3: Cross multiply
    8,731.16x = 13,096.68 × 6,103.80
  4. Step 4: Simplify right side
    8,731.16x = 79,939,515.38
  5. Step 5: Solve for x
    x = 79,939,515.38/8,731.16
  6. Step 6: Final answer
    x = 9,155.66

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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.