Home / 11,683.26-16,123.12-6,378.28

Finding the Fourth Proportional to 11,683.26, 16,123.12 and 6,378.28

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Solution

The fourth proportional to 11,683.26, 16,123.12 and 6,378.28 is: 8,802.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.26 : 16,123.12 = 6,378.28 : x
  2. Step 2: Convert to fraction form
    11,683.26/16,123.12 = 6,378.28/x
  3. Step 3: Cross multiply
    11,683.26x = 16,123.12 × 6,378.28
  4. Step 4: Simplify right side
    11,683.26x = 102,837,717.58
  5. Step 5: Solve for x
    x = 102,837,717.58/11,683.26
  6. Step 6: Final answer
    x = 8,802.14

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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.