Home / 10,129.68-15,194.40-3,204.18

Finding the Fourth Proportional to 10,129.68, 15,194.40 and 3,204.18

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Solution

The fourth proportional to 10,129.68, 15,194.40 and 3,204.18 is: 4,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.68 : 15,194.40 = 3,204.18 : x
  2. Step 2: Convert to fraction form
    10,129.68/15,194.40 = 3,204.18/x
  3. Step 3: Cross multiply
    10,129.68x = 15,194.40 × 3,204.18
  4. Step 4: Simplify right side
    10,129.68x = 48,685,592.59
  5. Step 5: Solve for x
    x = 48,685,592.59/10,129.68
  6. Step 6: Final answer
    x = 4,806.23

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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.