Home / 20,964.12-31,446.39-6,173.31

Finding the Fourth Proportional to 20,964.12, 31,446.39 and 6,173.31

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Solution

The fourth proportional to 20,964.12, 31,446.39 and 6,173.31 is: 9,260.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,964.12 : 31,446.39 = 6,173.31 : x
  2. Step 2: Convert to fraction form
    20,964.12/31,446.39 = 6,173.31/x
  3. Step 3: Cross multiply
    20,964.12x = 31,446.39 × 6,173.31
  4. Step 4: Simplify right side
    20,964.12x = 194,128,454.92
  5. Step 5: Solve for x
    x = 194,128,454.92/20,964.12
  6. Step 6: Final answer
    x = 9,260.04

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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.