Home / 10,200.60-15,301.08-3,959.94

Finding the Fourth Proportional to 10,200.60, 15,301.08 and 3,959.94

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Solution

The fourth proportional to 10,200.60, 15,301.08 and 3,959.94 is: 5,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.60 : 15,301.08 = 3,959.94 : x
  2. Step 2: Convert to fraction form
    10,200.60/15,301.08 = 3,959.94/x
  3. Step 3: Cross multiply
    10,200.60x = 15,301.08 × 3,959.94
  4. Step 4: Simplify right side
    10,200.60x = 60,591,358.74
  5. Step 5: Solve for x
    x = 60,591,358.74/10,200.60
  6. Step 6: Final answer
    x = 5,939.98

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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.