Home / 20,241.23-30,339.97-10,366.92

Finding the Fourth Proportional to 20,241.23, 30,339.97 and 10,366.92

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Solution

The fourth proportional to 20,241.23, 30,339.97 and 10,366.92 is: 15,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.23 : 30,339.97 = 10,366.92 : x
  2. Step 2: Convert to fraction form
    20,241.23/30,339.97 = 10,366.92/x
  3. Step 3: Cross multiply
    20,241.23x = 30,339.97 × 10,366.92
  4. Step 4: Simplify right side
    20,241.23x = 314,532,015.88
  5. Step 5: Solve for x
    x = 314,532,015.88/20,241.23
  6. Step 6: Final answer
    x = 15,539.18

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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.