Home / 14,213.44-21,320.16-3,825.28

Finding the Fourth Proportional to 14,213.44, 21,320.16 and 3,825.28

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Solution

The fourth proportional to 14,213.44, 21,320.16 and 3,825.28 is: 5,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.44 : 21,320.16 = 3,825.28 : x
  2. Step 2: Convert to fraction form
    14,213.44/21,320.16 = 3,825.28/x
  3. Step 3: Cross multiply
    14,213.44x = 21,320.16 × 3,825.28
  4. Step 4: Simplify right side
    14,213.44x = 81,555,581.64
  5. Step 5: Solve for x
    x = 81,555,581.64/14,213.44
  6. Step 6: Final answer
    x = 5,737.92

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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.