Home / 13,786.04-20,677.82-4,423.52

Finding the Fourth Proportional to 13,786.04, 20,677.82 and 4,423.52

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Solution

The fourth proportional to 13,786.04, 20,677.82 and 4,423.52 is: 6,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.04 : 20,677.82 = 4,423.52 : x
  2. Step 2: Convert to fraction form
    13,786.04/20,677.82 = 4,423.52/x
  3. Step 3: Cross multiply
    13,786.04x = 20,677.82 × 4,423.52
  4. Step 4: Simplify right side
    13,786.04x = 91,468,624.82
  5. Step 5: Solve for x
    x = 91,468,624.82/13,786.04
  6. Step 6: Final answer
    x = 6,634.88

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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.