Home / 10,792.80-16,179.60-9,626.40

Finding the Fourth Proportional to 10,792.80, 16,179.60 and 9,626.40

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Solution

The fourth proportional to 10,792.80, 16,179.60 and 9,626.40 is: 14,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,792.80 : 16,179.60 = 9,626.40 : x
  2. Step 2: Convert to fraction form
    10,792.80/16,179.60 = 9,626.40/x
  3. Step 3: Cross multiply
    10,792.80x = 16,179.60 × 9,626.40
  4. Step 4: Simplify right side
    10,792.80x = 155,751,301.44
  5. Step 5: Solve for x
    x = 155,751,301.44/10,792.80
  6. Step 6: Final answer
    x = 14,431.04

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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.