Home / 12,770.28-19,158.66-6,527.88

Finding the Fourth Proportional to 12,770.28, 19,158.66 and 6,527.88

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Solution

The fourth proportional to 12,770.28, 19,158.66 and 6,527.88 is: 9,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.28 : 19,158.66 = 6,527.88 : x
  2. Step 2: Convert to fraction form
    12,770.28/19,158.66 = 6,527.88/x
  3. Step 3: Cross multiply
    12,770.28x = 19,158.66 × 6,527.88
  4. Step 4: Simplify right side
    12,770.28x = 125,065,433.44
  5. Step 5: Solve for x
    x = 125,065,433.44/12,770.28
  6. Step 6: Final answer
    x = 9,793.48

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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.