Home / 9,306.20-13,966.62-8,212.76

Finding the Fourth Proportional to 9,306.20, 13,966.62 and 8,212.76

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Solution

The fourth proportional to 9,306.20, 13,966.62 and 8,212.76 is: 12,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.20 : 13,966.62 = 8,212.76 : x
  2. Step 2: Convert to fraction form
    9,306.20/13,966.62 = 8,212.76/x
  3. Step 3: Cross multiply
    9,306.20x = 13,966.62 × 8,212.76
  4. Step 4: Simplify right side
    9,306.20x = 114,704,498.07
  5. Step 5: Solve for x
    x = 114,704,498.07/9,306.20
  6. Step 6: Final answer
    x = 12,325.60

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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.