Home / 11,683.41-16,122.89-6,647.52

Finding the Fourth Proportional to 11,683.41, 16,122.89 and 6,647.52

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Solution

The fourth proportional to 11,683.41, 16,122.89 and 6,647.52 is: 9,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.41 : 16,122.89 = 6,647.52 : x
  2. Step 2: Convert to fraction form
    11,683.41/16,122.89 = 6,647.52/x
  3. Step 3: Cross multiply
    11,683.41x = 16,122.89 × 6,647.52
  4. Step 4: Simplify right side
    11,683.41x = 107,177,233.73
  5. Step 5: Solve for x
    x = 107,177,233.73/11,683.41
  6. Step 6: Final answer
    x = 9,173.45

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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.