Home / 20,975.60-31,468.92-6,184.88

Finding the Fourth Proportional to 20,975.60, 31,468.92 and 6,184.88

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Solution

The fourth proportional to 20,975.60, 31,468.92 and 6,184.88 is: 9,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,975.60 : 31,468.92 = 6,184.88 : x
  2. Step 2: Convert to fraction form
    20,975.60/31,468.92 = 6,184.88/x
  3. Step 3: Cross multiply
    20,975.60x = 31,468.92 × 6,184.88
  4. Step 4: Simplify right side
    20,975.60x = 194,631,493.93
  5. Step 5: Solve for x
    x = 194,631,493.93/20,975.60
  6. Step 6: Final answer
    x = 9,278.95

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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.