Home / 11,704.90-16,152.27-6,399.79

Finding the Fourth Proportional to 11,704.90, 16,152.27 and 6,399.79

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Solution

The fourth proportional to 11,704.90, 16,152.27 and 6,399.79 is: 8,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.90 : 16,152.27 = 6,399.79 : x
  2. Step 2: Convert to fraction form
    11,704.90/16,152.27 = 6,399.79/x
  3. Step 3: Cross multiply
    11,704.90x = 16,152.27 × 6,399.79
  4. Step 4: Simplify right side
    11,704.90x = 103,371,136.02
  5. Step 5: Solve for x
    x = 103,371,136.02/11,704.90
  6. Step 6: Final answer
    x = 8,831.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.