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Finding the Fourth Proportional to 9,101.88, 13,661.04 and 7,630.44

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Solution

The fourth proportional to 9,101.88, 13,661.04 and 7,630.44 is: 11,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.88 : 13,661.04 = 7,630.44 : x
  2. Step 2: Convert to fraction form
    9,101.88/13,661.04 = 7,630.44/x
  3. Step 3: Cross multiply
    9,101.88x = 13,661.04 × 7,630.44
  4. Step 4: Simplify right side
    9,101.88x = 104,239,746.06
  5. Step 5: Solve for x
    x = 104,239,746.06/9,101.88
  6. Step 6: Final answer
    x = 11,452.55

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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.