Home / 20,190.24-30,289.14-6,336

Finding the Fourth Proportional to 20,190.24, 30,289.14 and 6,336

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Solution

The fourth proportional to 20,190.24, 30,289.14 and 6,336 is: 9,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190.24 : 30,289.14 = 6,336 : x
  2. Step 2: Convert to fraction form
    20,190.24/30,289.14 = 6,336/x
  3. Step 3: Cross multiply
    20,190.24x = 30,289.14 × 6,336
  4. Step 4: Simplify right side
    20,190.24x = 191,911,991.04
  5. Step 5: Solve for x
    x = 191,911,991.04/20,190.24
  6. Step 6: Final answer
    x = 9,505.19

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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.