Home / 13,590.99-20,387.07-3,731.22

Finding the Fourth Proportional to 13,590.99, 20,387.07 and 3,731.22

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Solution

The fourth proportional to 13,590.99, 20,387.07 and 3,731.22 is: 5,596.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.99 : 20,387.07 = 3,731.22 : x
  2. Step 2: Convert to fraction form
    13,590.99/20,387.07 = 3,731.22/x
  3. Step 3: Cross multiply
    13,590.99x = 20,387.07 × 3,731.22
  4. Step 4: Simplify right side
    13,590.99x = 76,068,643.33
  5. Step 5: Solve for x
    x = 76,068,643.33/13,590.99
  6. Step 6: Final answer
    x = 5,596.99

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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.