Home / 14,385.43-21,576.38-3,856.24

Finding the Fourth Proportional to 14,385.43, 21,576.38 and 3,856.24

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Solution

The fourth proportional to 14,385.43, 21,576.38 and 3,856.24 is: 5,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.43 : 21,576.38 = 3,856.24 : x
  2. Step 2: Convert to fraction form
    14,385.43/21,576.38 = 3,856.24/x
  3. Step 3: Cross multiply
    14,385.43x = 21,576.38 × 3,856.24
  4. Step 4: Simplify right side
    14,385.43x = 83,203,591.73
  5. Step 5: Solve for x
    x = 83,203,591.73/14,385.43
  6. Step 6: Final answer
    x = 5,783.88

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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.