Home / 20,134.70-30,197.93-7,650.35

Finding the Fourth Proportional to 20,134.70, 30,197.93 and 7,650.35

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Solution

The fourth proportional to 20,134.70, 30,197.93 and 7,650.35 is: 11,473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.70 : 30,197.93 = 7,650.35 : x
  2. Step 2: Convert to fraction form
    20,134.70/30,197.93 = 7,650.35/x
  3. Step 3: Cross multiply
    20,134.70x = 30,197.93 × 7,650.35
  4. Step 4: Simplify right side
    20,134.70x = 231,024,544.53
  5. Step 5: Solve for x
    x = 231,024,544.53/20,134.70
  6. Step 6: Final answer
    x = 11,473.95

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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.