Home / 12,152-18,228.54-3,834.92

Finding the Fourth Proportional to 12,152, 18,228.54 and 3,834.92

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Solution

The fourth proportional to 12,152, 18,228.54 and 3,834.92 is: 5,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152 : 18,228.54 = 3,834.92 : x
  2. Step 2: Convert to fraction form
    12,152/18,228.54 = 3,834.92/x
  3. Step 3: Cross multiply
    12,152x = 18,228.54 × 3,834.92
  4. Step 4: Simplify right side
    12,152x = 69,904,992.62
  5. Step 5: Solve for x
    x = 69,904,992.62/12,152
  6. Step 6: Final answer
    x = 5,752.55

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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.