Home / 18,972.64-26,195.16-12,274.48

Finding the Fourth Proportional to 18,972.64, 26,195.16 and 12,274.48

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Solution

The fourth proportional to 18,972.64, 26,195.16 and 12,274.48 is: 16,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.64 : 26,195.16 = 12,274.48 : x
  2. Step 2: Convert to fraction form
    18,972.64/26,195.16 = 12,274.48/x
  3. Step 3: Cross multiply
    18,972.64x = 26,195.16 × 12,274.48
  4. Step 4: Simplify right side
    18,972.64x = 321,531,967.52
  5. Step 5: Solve for x
    x = 321,531,967.52/18,972.64
  6. Step 6: Final answer
    x = 16,947.14

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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.