Home / 10,193.20-15,289.71-3,267.70

Finding the Fourth Proportional to 10,193.20, 15,289.71 and 3,267.70

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Solution

The fourth proportional to 10,193.20, 15,289.71 and 3,267.70 is: 4,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.20 : 15,289.71 = 3,267.70 : x
  2. Step 2: Convert to fraction form
    10,193.20/15,289.71 = 3,267.70/x
  3. Step 3: Cross multiply
    10,193.20x = 15,289.71 × 3,267.70
  4. Step 4: Simplify right side
    10,193.20x = 49,962,185.37
  5. Step 5: Solve for x
    x = 49,962,185.37/10,193.20
  6. Step 6: Final answer
    x = 4,901.52

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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.