Home / 11,989.57-16,544.99-6,683.36

Finding the Fourth Proportional to 11,989.57, 16,544.99 and 6,683.36

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Solution

The fourth proportional to 11,989.57, 16,544.99 and 6,683.36 is: 9,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.57 : 16,544.99 = 6,683.36 : x
  2. Step 2: Convert to fraction form
    11,989.57/16,544.99 = 6,683.36/x
  3. Step 3: Cross multiply
    11,989.57x = 16,544.99 × 6,683.36
  4. Step 4: Simplify right side
    11,989.57x = 110,576,058.35
  5. Step 5: Solve for x
    x = 110,576,058.35/11,989.57
  6. Step 6: Final answer
    x = 9,222.69

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Double scale
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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.