Home / 14,118.07-21,183.57-6,115.28

Finding the Fourth Proportional to 14,118.07, 21,183.57 and 6,115.28

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Solution

The fourth proportional to 14,118.07, 21,183.57 and 6,115.28 is: 9,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.07 : 21,183.57 = 6,115.28 : x
  2. Step 2: Convert to fraction form
    14,118.07/21,183.57 = 6,115.28/x
  3. Step 3: Cross multiply
    14,118.07x = 21,183.57 × 6,115.28
  4. Step 4: Simplify right side
    14,118.07x = 129,543,491.98
  5. Step 5: Solve for x
    x = 129,543,491.98/14,118.07
  6. Step 6: Final answer
    x = 9,175.72

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1.5x scale

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.