Home / 14,248.69-21,372.22-3,859.63

Finding the Fourth Proportional to 14,248.69, 21,372.22 and 3,859.63

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Solution

The fourth proportional to 14,248.69, 21,372.22 and 3,859.63 is: 5,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.69 : 21,372.22 = 3,859.63 : x
  2. Step 2: Convert to fraction form
    14,248.69/21,372.22 = 3,859.63/x
  3. Step 3: Cross multiply
    14,248.69x = 21,372.22 × 3,859.63
  4. Step 4: Simplify right side
    14,248.69x = 82,488,861.48
  5. Step 5: Solve for x
    x = 82,488,861.48/14,248.69
  6. Step 6: Final answer
    x = 5,789.22

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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.