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Finding the Fourth Proportional to 8,012.52, 12,018.24 and 3,395.52

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Solution

The fourth proportional to 8,012.52, 12,018.24 and 3,395.52 is: 5,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.52 : 12,018.24 = 3,395.52 : x
  2. Step 2: Convert to fraction form
    8,012.52/12,018.24 = 3,395.52/x
  3. Step 3: Cross multiply
    8,012.52x = 12,018.24 × 3,395.52
  4. Step 4: Simplify right side
    8,012.52x = 40,808,174.28
  5. Step 5: Solve for x
    x = 40,808,174.28/8,012.52
  6. Step 6: Final answer
    x = 5,093.05

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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.