Home / 11,683.72-16,123.44-6,378.49

Finding the Fourth Proportional to 11,683.72, 16,123.44 and 6,378.49

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Solution

The fourth proportional to 11,683.72, 16,123.44 and 6,378.49 is: 8,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.72 : 16,123.44 = 6,378.49 : x
  2. Step 2: Convert to fraction form
    11,683.72/16,123.44 = 6,378.49/x
  3. Step 3: Cross multiply
    11,683.72x = 16,123.44 × 6,378.49
  4. Step 4: Simplify right side
    11,683.72x = 102,843,200.81
  5. Step 5: Solve for x
    x = 102,843,200.81/11,683.72
  6. Step 6: Final answer
    x = 8,802.27

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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.