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Finding the Fourth Proportional to 14,428.53, 21,644.03 and 5,067.74

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Solution

The fourth proportional to 14,428.53, 21,644.03 and 5,067.74 is: 7,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.53 : 21,644.03 = 5,067.74 : x
  2. Step 2: Convert to fraction form
    14,428.53/21,644.03 = 5,067.74/x
  3. Step 3: Cross multiply
    14,428.53x = 21,644.03 × 5,067.74
  4. Step 4: Simplify right side
    14,428.53x = 109,686,221.04
  5. Step 5: Solve for x
    x = 109,686,221.04/14,428.53
  6. Step 6: Final answer
    x = 7,602.04

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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.