Home / 18,635.64-25,717.50-10,137.94

Finding the Fourth Proportional to 18,635.64, 25,717.50 and 10,137.94

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Solution

The fourth proportional to 18,635.64, 25,717.50 and 10,137.94 is: 13,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.64 : 25,717.50 = 10,137.94 : x
  2. Step 2: Convert to fraction form
    18,635.64/25,717.50 = 10,137.94/x
  3. Step 3: Cross multiply
    18,635.64x = 25,717.50 × 10,137.94
  4. Step 4: Simplify right side
    18,635.64x = 260,722,471.95
  5. Step 5: Solve for x
    x = 260,722,471.95/18,635.64
  6. Step 6: Final answer
    x = 13,990.53

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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.