Home / 18,972.64-26,175-11,013.52

Finding the Fourth Proportional to 18,972.64, 26,175 and 11,013.52

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Solution

The fourth proportional to 18,972.64, 26,175 and 11,013.52 is: 15,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.64 : 26,175 = 11,013.52 : x
  2. Step 2: Convert to fraction form
    18,972.64/26,175 = 11,013.52/x
  3. Step 3: Cross multiply
    18,972.64x = 26,175 × 11,013.52
  4. Step 4: Simplify right side
    18,972.64x = 288,278,886
  5. Step 5: Solve for x
    x = 288,278,886/18,972.64
  6. Step 6: Final answer
    x = 15,194.45

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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.