Home / 8,740.99-13,096.90-6,139.27

Finding the Fourth Proportional to 8,740.99, 13,096.90 and 6,139.27

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Solution

The fourth proportional to 8,740.99, 13,096.90 and 6,139.27 is: 9,198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.99 : 13,096.90 = 6,139.27 : x
  2. Step 2: Convert to fraction form
    8,740.99/13,096.90 = 6,139.27/x
  3. Step 3: Cross multiply
    8,740.99x = 13,096.90 × 6,139.27
  4. Step 4: Simplify right side
    8,740.99x = 80,405,357.17
  5. Step 5: Solve for x
    x = 80,405,357.17/8,740.99
  6. Step 6: Final answer
    x = 9,198.66

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1.5x scale

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.