Home / 9,766.81-14,651.78-4,221.84

Finding the Fourth Proportional to 9,766.81, 14,651.78 and 4,221.84

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Solution

The fourth proportional to 9,766.81, 14,651.78 and 4,221.84 is: 6,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766.81 : 14,651.78 = 4,221.84 : x
  2. Step 2: Convert to fraction form
    9,766.81/14,651.78 = 4,221.84/x
  3. Step 3: Cross multiply
    9,766.81x = 14,651.78 × 4,221.84
  4. Step 4: Simplify right side
    9,766.81x = 61,857,470.88
  5. Step 5: Solve for x
    x = 61,857,470.88/9,766.81
  6. Step 6: Final answer
    x = 6,333.44

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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.