Home / 11,989.27-16,545.36-6,684.58

Finding the Fourth Proportional to 11,989.27, 16,545.36 and 6,684.58

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Solution

The fourth proportional to 11,989.27, 16,545.36 and 6,684.58 is: 9,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.27 : 16,545.36 = 6,684.58 : x
  2. Step 2: Convert to fraction form
    11,989.27/16,545.36 = 6,684.58/x
  3. Step 3: Cross multiply
    11,989.27x = 16,545.36 × 6,684.58
  4. Step 4: Simplify right side
    11,989.27x = 110,598,782.55
  5. Step 5: Solve for x
    x = 110,598,782.55/11,989.27
  6. Step 6: Final answer
    x = 9,224.81

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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.