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Finding the Fourth Proportional to 9,170.28, 13,763.28 and 9,101.25

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Solution

The fourth proportional to 9,170.28, 13,763.28 and 9,101.25 is: 13,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.28 : 13,763.28 = 9,101.25 : x
  2. Step 2: Convert to fraction form
    9,170.28/13,763.28 = 9,101.25/x
  3. Step 3: Cross multiply
    9,170.28x = 13,763.28 × 9,101.25
  4. Step 4: Simplify right side
    9,170.28x = 125,263,052.10
  5. Step 5: Solve for x
    x = 125,263,052.10/9,170.28
  6. Step 6: Final answer
    x = 13,659.68

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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.