Home / 14,272.72-21,361.08-13,727.44

Finding the Fourth Proportional to 14,272.72, 21,361.08 and 13,727.44

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Solution

The fourth proportional to 14,272.72, 21,361.08 and 13,727.44 is: 20,544.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.72 : 21,361.08 = 13,727.44 : x
  2. Step 2: Convert to fraction form
    14,272.72/21,361.08 = 13,727.44/x
  3. Step 3: Cross multiply
    14,272.72x = 21,361.08 × 13,727.44
  4. Step 4: Simplify right side
    14,272.72x = 293,232,944.04
  5. Step 5: Solve for x
    x = 293,232,944.04/14,272.72
  6. Step 6: Final answer
    x = 20,544.99

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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.