Home / 20,464.73-30,697.07-6,425.85

Finding the Fourth Proportional to 20,464.73, 30,697.07 and 6,425.85

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Solution

The fourth proportional to 20,464.73, 30,697.07 and 6,425.85 is: 9,638.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.73 : 30,697.07 = 6,425.85 : x
  2. Step 2: Convert to fraction form
    20,464.73/30,697.07 = 6,425.85/x
  3. Step 3: Cross multiply
    20,464.73x = 30,697.07 × 6,425.85
  4. Step 4: Simplify right side
    20,464.73x = 197,254,695.65
  5. Step 5: Solve for x
    x = 197,254,695.65/20,464.73
  6. Step 6: Final answer
    x = 9,638.77

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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.