Home / 15,678.48-23,517.70-6,786.52

Finding the Fourth Proportional to 15,678.48, 23,517.70 and 6,786.52

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Solution

The fourth proportional to 15,678.48, 23,517.70 and 6,786.52 is: 10,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.48 : 23,517.70 = 6,786.52 : x
  2. Step 2: Convert to fraction form
    15,678.48/23,517.70 = 6,786.52/x
  3. Step 3: Cross multiply
    15,678.48x = 23,517.70 × 6,786.52
  4. Step 4: Simplify right side
    15,678.48x = 159,603,324.44
  5. Step 5: Solve for x
    x = 159,603,324.44/15,678.48
  6. Step 6: Final answer
    x = 10,179.77

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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.