Home / 11,683.56-16,122.96-6,378.42

Finding the Fourth Proportional to 11,683.56, 16,122.96 and 6,378.42

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Solution

The fourth proportional to 11,683.56, 16,122.96 and 6,378.42 is: 8,802.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.56 : 16,122.96 = 6,378.42 : x
  2. Step 2: Convert to fraction form
    11,683.56/16,122.96 = 6,378.42/x
  3. Step 3: Cross multiply
    11,683.56x = 16,122.96 × 6,378.42
  4. Step 4: Simplify right side
    11,683.56x = 102,839,010.52
  5. Step 5: Solve for x
    x = 102,839,010.52/11,683.56
  6. Step 6: Final answer
    x = 8,802.03

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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.