Home / 11,364.64-15,683.92-6,396.96

Finding the Fourth Proportional to 11,364.64, 15,683.92 and 6,396.96

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Solution

The fourth proportional to 11,364.64, 15,683.92 and 6,396.96 is: 8,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.64 : 15,683.92 = 6,396.96 : x
  2. Step 2: Convert to fraction form
    11,364.64/15,683.92 = 6,396.96/x
  3. Step 3: Cross multiply
    11,364.64x = 15,683.92 × 6,396.96
  4. Step 4: Simplify right side
    11,364.64x = 100,329,408.88
  5. Step 5: Solve for x
    x = 100,329,408.88/11,364.64
  6. Step 6: Final answer
    x = 8,828.21

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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.