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Finding the Fourth Proportional to 9,235.37, 12,736.16 and 7,353.17

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Solution

The fourth proportional to 9,235.37, 12,736.16 and 7,353.17 is: 10,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.37 : 12,736.16 = 7,353.17 : x
  2. Step 2: Convert to fraction form
    9,235.37/12,736.16 = 7,353.17/x
  3. Step 3: Cross multiply
    9,235.37x = 12,736.16 × 7,353.17
  4. Step 4: Simplify right side
    9,235.37x = 93,651,049.18
  5. Step 5: Solve for x
    x = 93,651,049.18/9,235.37
  6. Step 6: Final answer
    x = 10,140.48

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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.