Home / 16,765.20-23,133.46-9,211.85

Finding the Fourth Proportional to 16,765.20, 23,133.46 and 9,211.85

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Solution

The fourth proportional to 16,765.20, 23,133.46 and 9,211.85 is: 12,710.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.20 : 23,133.46 = 9,211.85 : x
  2. Step 2: Convert to fraction form
    16,765.20/23,133.46 = 9,211.85/x
  3. Step 3: Cross multiply
    16,765.20x = 23,133.46 × 9,211.85
  4. Step 4: Simplify right side
    16,765.20x = 213,101,911.55
  5. Step 5: Solve for x
    x = 213,101,911.55/16,765.20
  6. Step 6: Final answer
    x = 12,710.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.