Home / 20,260.37-30,391.50-6,219.83

Finding the Fourth Proportional to 20,260.37, 30,391.50 and 6,219.83

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Solution

The fourth proportional to 20,260.37, 30,391.50 and 6,219.83 is: 9,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.37 : 30,391.50 = 6,219.83 : x
  2. Step 2: Convert to fraction form
    20,260.37/30,391.50 = 6,219.83/x
  3. Step 3: Cross multiply
    20,260.37x = 30,391.50 × 6,219.83
  4. Step 4: Simplify right side
    20,260.37x = 189,029,963.45
  5. Step 5: Solve for x
    x = 189,029,963.45/20,260.37
  6. Step 6: Final answer
    x = 9,330.04

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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.