Home / 18,076.50-27,111.69-4,925.79

Finding the Fourth Proportional to 18,076.50, 27,111.69 and 4,925.79

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Solution

The fourth proportional to 18,076.50, 27,111.69 and 4,925.79 is: 7,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.50 : 27,111.69 = 4,925.79 : x
  2. Step 2: Convert to fraction form
    18,076.50/27,111.69 = 4,925.79/x
  3. Step 3: Cross multiply
    18,076.50x = 27,111.69 × 4,925.79
  4. Step 4: Simplify right side
    18,076.50x = 133,546,491.49
  5. Step 5: Solve for x
    x = 133,546,491.49/18,076.50
  6. Step 6: Final answer
    x = 7,387.85

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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.