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Finding the Fourth Proportional to 9,204.40, 13,806.60 and 8,694.10

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Solution

The fourth proportional to 9,204.40, 13,806.60 and 8,694.10 is: 13,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,204.40 : 13,806.60 = 8,694.10 : x
  2. Step 2: Convert to fraction form
    9,204.40/13,806.60 = 8,694.10/x
  3. Step 3: Cross multiply
    9,204.40x = 13,806.60 × 8,694.10
  4. Step 4: Simplify right side
    9,204.40x = 120,035,961.06
  5. Step 5: Solve for x
    x = 120,035,961.06/9,204.40
  6. Step 6: Final answer
    x = 13,041.15

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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.