Home / 10,863.76-16,291.44-4,626.64

Finding the Fourth Proportional to 10,863.76, 16,291.44 and 4,626.64

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Solution

The fourth proportional to 10,863.76, 16,291.44 and 4,626.64 is: 6,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.76 : 16,291.44 = 4,626.64 : x
  2. Step 2: Convert to fraction form
    10,863.76/16,291.44 = 4,626.64/x
  3. Step 3: Cross multiply
    10,863.76x = 16,291.44 × 4,626.64
  4. Step 4: Simplify right side
    10,863.76x = 75,374,627.96
  5. Step 5: Solve for x
    x = 75,374,627.96/10,863.76
  6. Step 6: Final answer
    x = 6,938.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.