Home / 16,981.65-25,476.88-6,451.85

Finding the Fourth Proportional to 16,981.65, 25,476.88 and 6,451.85

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Solution

The fourth proportional to 16,981.65, 25,476.88 and 6,451.85 is: 9,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.65 : 25,476.88 = 6,451.85 : x
  2. Step 2: Convert to fraction form
    16,981.65/25,476.88 = 6,451.85/x
  3. Step 3: Cross multiply
    16,981.65x = 25,476.88 × 6,451.85
  4. Step 4: Simplify right side
    16,981.65x = 164,373,067.89
  5. Step 5: Solve for x
    x = 164,373,067.89/16,981.65
  6. Step 6: Final answer
    x = 9,679.45

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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.