Home / 18,974.64-26,185.08-11,021.52

Finding the Fourth Proportional to 18,974.64, 26,185.08 and 11,021.52

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Solution

The fourth proportional to 18,974.64, 26,185.08 and 11,021.52 is: 15,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.64 : 26,185.08 = 11,021.52 : x
  2. Step 2: Convert to fraction form
    18,974.64/26,185.08 = 11,021.52/x
  3. Step 3: Cross multiply
    18,974.64x = 26,185.08 × 11,021.52
  4. Step 4: Simplify right side
    18,974.64x = 288,599,382.92
  5. Step 5: Solve for x
    x = 288,599,382.92/18,974.64
  6. Step 6: Final answer
    x = 15,209.74

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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.