Home / 16,758.48-25,137.32-4,278.61

Finding the Fourth Proportional to 16,758.48, 25,137.32 and 4,278.61

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Solution

The fourth proportional to 16,758.48, 25,137.32 and 4,278.61 is: 6,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,758.48 : 25,137.32 = 4,278.61 : x
  2. Step 2: Convert to fraction form
    16,758.48/25,137.32 = 4,278.61/x
  3. Step 3: Cross multiply
    16,758.48x = 25,137.32 × 4,278.61
  4. Step 4: Simplify right side
    16,758.48x = 107,552,788.73
  5. Step 5: Solve for x
    x = 107,552,788.73/16,758.48
  6. Step 6: Final answer
    x = 6,417.81

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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.