Home / 14,105.43-19,464.77-8,136.74

Finding the Fourth Proportional to 14,105.43, 19,464.77 and 8,136.74

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Solution

The fourth proportional to 14,105.43, 19,464.77 and 8,136.74 is: 11,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.43 : 19,464.77 = 8,136.74 : x
  2. Step 2: Convert to fraction form
    14,105.43/19,464.77 = 8,136.74/x
  3. Step 3: Cross multiply
    14,105.43x = 19,464.77 × 8,136.74
  4. Step 4: Simplify right side
    14,105.43x = 158,379,772.65
  5. Step 5: Solve for x
    x = 158,379,772.65/14,105.43
  6. Step 6: Final answer
    x = 11,228.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.