Home / 11,683.56-16,122.88-6,647.52

Finding the Fourth Proportional to 11,683.56, 16,122.88 and 6,647.52

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Solution

The fourth proportional to 11,683.56, 16,122.88 and 6,647.52 is: 9,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.56 : 16,122.88 = 6,647.52 : x
  2. Step 2: Convert to fraction form
    11,683.56/16,122.88 = 6,647.52/x
  3. Step 3: Cross multiply
    11,683.56x = 16,122.88 × 6,647.52
  4. Step 4: Simplify right side
    11,683.56x = 107,177,167.26
  5. Step 5: Solve for x
    x = 107,177,167.26/11,683.56
  6. Step 6: Final answer
    x = 9,173.33

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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.