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Finding the Fourth Proportional to 15,236.16, 22,857.66 and 5,375.52

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Solution

The fourth proportional to 15,236.16, 22,857.66 and 5,375.52 is: 8,064.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.16 : 22,857.66 = 5,375.52 : x
  2. Step 2: Convert to fraction form
    15,236.16/22,857.66 = 5,375.52/x
  3. Step 3: Cross multiply
    15,236.16x = 22,857.66 × 5,375.52
  4. Step 4: Simplify right side
    15,236.16x = 122,871,808.48
  5. Step 5: Solve for x
    x = 122,871,808.48/15,236.16
  6. Step 6: Final answer
    x = 8,064.49

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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.