Home / 12,665.32-18,997.02-3,902.44

Finding the Fourth Proportional to 12,665.32, 18,997.02 and 3,902.44

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Solution

The fourth proportional to 12,665.32, 18,997.02 and 3,902.44 is: 5,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,665.32 : 18,997.02 = 3,902.44 : x
  2. Step 2: Convert to fraction form
    12,665.32/18,997.02 = 3,902.44/x
  3. Step 3: Cross multiply
    12,665.32x = 18,997.02 × 3,902.44
  4. Step 4: Simplify right side
    12,665.32x = 74,134,730.73
  5. Step 5: Solve for x
    x = 74,134,730.73/12,665.32
  6. Step 6: Final answer
    x = 5,853.36

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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.