Home / 14,022.29-21,037.82-4,161.62

Finding the Fourth Proportional to 14,022.29, 21,037.82 and 4,161.62

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Solution

The fourth proportional to 14,022.29, 21,037.82 and 4,161.62 is: 6,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.29 : 21,037.82 = 4,161.62 : x
  2. Step 2: Convert to fraction form
    14,022.29/21,037.82 = 4,161.62/x
  3. Step 3: Cross multiply
    14,022.29x = 21,037.82 × 4,161.62
  4. Step 4: Simplify right side
    14,022.29x = 87,551,286.47
  5. Step 5: Solve for x
    x = 87,551,286.47/14,022.29
  6. Step 6: Final answer
    x = 6,243.72

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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.