Home / 20,104.50-30,161.61-6,253.50

Finding the Fourth Proportional to 20,104.50, 30,161.61 and 6,253.50

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Solution

The fourth proportional to 20,104.50, 30,161.61 and 6,253.50 is: 9,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.50 : 30,161.61 = 6,253.50 : x
  2. Step 2: Convert to fraction form
    20,104.50/30,161.61 = 6,253.50/x
  3. Step 3: Cross multiply
    20,104.50x = 30,161.61 × 6,253.50
  4. Step 4: Simplify right side
    20,104.50x = 188,615,628.14
  5. Step 5: Solve for x
    x = 188,615,628.14/20,104.50
  6. Step 6: Final answer
    x = 9,381.76

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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.