Home / 16,782.98-25,170.87-6,919.70

Finding the Fourth Proportional to 16,782.98, 25,170.87 and 6,919.70

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Solution

The fourth proportional to 16,782.98, 25,170.87 and 6,919.70 is: 10,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.98 : 25,170.87 = 6,919.70 : x
  2. Step 2: Convert to fraction form
    16,782.98/25,170.87 = 6,919.70/x
  3. Step 3: Cross multiply
    16,782.98x = 25,170.87 × 6,919.70
  4. Step 4: Simplify right side
    16,782.98x = 174,174,869.14
  5. Step 5: Solve for x
    x = 174,174,869.14/16,782.98
  6. Step 6: Final answer
    x = 10,378.07

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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.