Home / 18,787.04-28,182.16-4,936

Finding the Fourth Proportional to 18,787.04, 28,182.16 and 4,936

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Solution

The fourth proportional to 18,787.04, 28,182.16 and 4,936 is: 7,404.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.04 : 28,182.16 = 4,936 : x
  2. Step 2: Convert to fraction form
    18,787.04/28,182.16 = 4,936/x
  3. Step 3: Cross multiply
    18,787.04x = 28,182.16 × 4,936
  4. Step 4: Simplify right side
    18,787.04x = 139,107,141.76
  5. Step 5: Solve for x
    x = 139,107,141.76/18,787.04
  6. Step 6: Final answer
    x = 7,404.42

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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.