Home / 18,932.68-26,135.32-11,863.20

Finding the Fourth Proportional to 18,932.68, 26,135.32 and 11,863.20

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Solution

The fourth proportional to 18,932.68, 26,135.32 and 11,863.20 is: 16,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.68 : 26,135.32 = 11,863.20 : x
  2. Step 2: Convert to fraction form
    18,932.68/26,135.32 = 11,863.20/x
  3. Step 3: Cross multiply
    18,932.68x = 26,135.32 × 11,863.20
  4. Step 4: Simplify right side
    18,932.68x = 310,048,528.22
  5. Step 5: Solve for x
    x = 310,048,528.22/18,932.68
  6. Step 6: Final answer
    x = 16,376.37

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1.5x scale

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.