Home / 14,814.99-22,221.77-3,721.43

Finding the Fourth Proportional to 14,814.99, 22,221.77 and 3,721.43

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Solution

The fourth proportional to 14,814.99, 22,221.77 and 3,721.43 is: 5,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.99 : 22,221.77 = 3,721.43 : x
  2. Step 2: Convert to fraction form
    14,814.99/22,221.77 = 3,721.43/x
  3. Step 3: Cross multiply
    14,814.99x = 22,221.77 × 3,721.43
  4. Step 4: Simplify right side
    14,814.99x = 82,696,631.82
  5. Step 5: Solve for x
    x = 82,696,631.82/14,814.99
  6. Step 6: Final answer
    x = 5,581.96

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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.