Home / 18,256.79-27,372.49-7,164.58

Finding the Fourth Proportional to 18,256.79, 27,372.49 and 7,164.58

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Solution

The fourth proportional to 18,256.79, 27,372.49 and 7,164.58 is: 10,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.79 : 27,372.49 = 7,164.58 : x
  2. Step 2: Convert to fraction form
    18,256.79/27,372.49 = 7,164.58/x
  3. Step 3: Cross multiply
    18,256.79x = 27,372.49 × 7,164.58
  4. Step 4: Simplify right side
    18,256.79x = 196,112,451.01
  5. Step 5: Solve for x
    x = 196,112,451.01/18,256.79
  6. Step 6: Final answer
    x = 10,741.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.