Home / 22,359.67-30,849.62-13,403.91

Finding the Fourth Proportional to 22,359.67, 30,849.62 and 13,403.91

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Solution

The fourth proportional to 22,359.67, 30,849.62 and 13,403.91 is: 18,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359.67 : 30,849.62 = 13,403.91 : x
  2. Step 2: Convert to fraction form
    22,359.67/30,849.62 = 13,403.91/x
  3. Step 3: Cross multiply
    22,359.67x = 30,849.62 × 13,403.91
  4. Step 4: Simplify right side
    22,359.67x = 413,505,530.01
  5. Step 5: Solve for x
    x = 413,505,530.01/22,359.67
  6. Step 6: Final answer
    x = 18,493.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.