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Finding the Fourth Proportional to 9,236.75, 12,747.51 and 7,554.59

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Solution

The fourth proportional to 9,236.75, 12,747.51 and 7,554.59 is: 10,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.75 : 12,747.51 = 7,554.59 : x
  2. Step 2: Convert to fraction form
    9,236.75/12,747.51 = 7,554.59/x
  3. Step 3: Cross multiply
    9,236.75x = 12,747.51 × 7,554.59
  4. Step 4: Simplify right side
    9,236.75x = 96,302,147.83
  5. Step 5: Solve for x
    x = 96,302,147.83/9,236.75
  6. Step 6: Final answer
    x = 10,425.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.