Home / 14,105.13-19,464.33-8,136.44

Finding the Fourth Proportional to 14,105.13, 19,464.33 and 8,136.44

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Solution

The fourth proportional to 14,105.13, 19,464.33 and 8,136.44 is: 11,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.13 : 19,464.33 = 8,136.44 : x
  2. Step 2: Convert to fraction form
    14,105.13/19,464.33 = 8,136.44/x
  3. Step 3: Cross multiply
    14,105.13x = 19,464.33 × 8,136.44
  4. Step 4: Simplify right side
    14,105.13x = 158,370,312.50
  5. Step 5: Solve for x
    x = 158,370,312.50/14,105.13
  6. Step 6: Final answer
    x = 11,227.85

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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.