Home / 10,200.86-15,286.83-4,271.36

Finding the Fourth Proportional to 10,200.86, 15,286.83 and 4,271.36

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Solution

The fourth proportional to 10,200.86, 15,286.83 and 4,271.36 is: 6,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.86 : 15,286.83 = 4,271.36 : x
  2. Step 2: Convert to fraction form
    10,200.86/15,286.83 = 4,271.36/x
  3. Step 3: Cross multiply
    10,200.86x = 15,286.83 × 4,271.36
  4. Step 4: Simplify right side
    10,200.86x = 65,295,504.73
  5. Step 5: Solve for x
    x = 65,295,504.73/10,200.86
  6. Step 6: Final answer
    x = 6,400.98

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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.