Home / 12,663.44-18,994.70-3,898.13

Finding the Fourth Proportional to 12,663.44, 18,994.70 and 3,898.13

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Solution

The fourth proportional to 12,663.44, 18,994.70 and 3,898.13 is: 5,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.44 : 18,994.70 = 3,898.13 : x
  2. Step 2: Convert to fraction form
    12,663.44/18,994.70 = 3,898.13/x
  3. Step 3: Cross multiply
    12,663.44x = 18,994.70 × 3,898.13
  4. Step 4: Simplify right side
    12,663.44x = 74,043,724.68
  5. Step 5: Solve for x
    x = 74,043,724.68/12,663.44
  6. Step 6: Final answer
    x = 5,847.05

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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.