Home / 18,256.78-27,368.76-6,561.82

Finding the Fourth Proportional to 18,256.78, 27,368.76 and 6,561.82

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Solution

The fourth proportional to 18,256.78, 27,368.76 and 6,561.82 is: 9,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.78 : 27,368.76 = 6,561.82 : x
  2. Step 2: Convert to fraction form
    18,256.78/27,368.76 = 6,561.82/x
  3. Step 3: Cross multiply
    18,256.78x = 27,368.76 × 6,561.82
  4. Step 4: Simplify right side
    18,256.78x = 179,588,876.74
  5. Step 5: Solve for x
    x = 179,588,876.74/18,256.78
  6. Step 6: Final answer
    x = 9,836.83

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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.