Home / 10,200.14-15,288.69-5,009.66

Finding the Fourth Proportional to 10,200.14, 15,288.69 and 5,009.66

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Solution

The fourth proportional to 10,200.14, 15,288.69 and 5,009.66 is: 7,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.14 : 15,288.69 = 5,009.66 : x
  2. Step 2: Convert to fraction form
    10,200.14/15,288.69 = 5,009.66/x
  3. Step 3: Cross multiply
    10,200.14x = 15,288.69 × 5,009.66
  4. Step 4: Simplify right side
    10,200.14x = 76,591,138.75
  5. Step 5: Solve for x
    x = 76,591,138.75/10,200.14
  6. Step 6: Final answer
    x = 7,508.83

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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.