Home / 14,286.20-21,434.94-4,426.24

Finding the Fourth Proportional to 14,286.20, 21,434.94 and 4,426.24

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Solution

The fourth proportional to 14,286.20, 21,434.94 and 4,426.24 is: 6,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.20 : 21,434.94 = 4,426.24 : x
  2. Step 2: Convert to fraction form
    14,286.20/21,434.94 = 4,426.24/x
  3. Step 3: Cross multiply
    14,286.20x = 21,434.94 × 4,426.24
  4. Step 4: Simplify right side
    14,286.20x = 94,876,188.83
  5. Step 5: Solve for x
    x = 94,876,188.83/14,286.20
  6. Step 6: Final answer
    x = 6,641.11

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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.