Home / 14,105.64-19,467.86-8,136.15

Finding the Fourth Proportional to 14,105.64, 19,467.86 and 8,136.15

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Solution

The fourth proportional to 14,105.64, 19,467.86 and 8,136.15 is: 11,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.64 : 19,467.86 = 8,136.15 : x
  2. Step 2: Convert to fraction form
    14,105.64/19,467.86 = 8,136.15/x
  3. Step 3: Cross multiply
    14,105.64x = 19,467.86 × 8,136.15
  4. Step 4: Simplify right side
    14,105.64x = 158,393,361.22
  5. Step 5: Solve for x
    x = 158,393,361.22/14,105.64
  6. Step 6: Final answer
    x = 11,229.08

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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.