Home / 14,274.80-21,404.88-5,512.24

Finding the Fourth Proportional to 14,274.80, 21,404.88 and 5,512.24

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Solution

The fourth proportional to 14,274.80, 21,404.88 and 5,512.24 is: 8,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.80 : 21,404.88 = 5,512.24 : x
  2. Step 2: Convert to fraction form
    14,274.80/21,404.88 = 5,512.24/x
  3. Step 3: Cross multiply
    14,274.80x = 21,404.88 × 5,512.24
  4. Step 4: Simplify right side
    14,274.80x = 117,988,835.73
  5. Step 5: Solve for x
    x = 117,988,835.73/14,274.80
  6. Step 6: Final answer
    x = 8,265.53

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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.