Home / 14,179.53-21,272.37-4,318.55

Finding the Fourth Proportional to 14,179.53, 21,272.37 and 4,318.55

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Solution

The fourth proportional to 14,179.53, 21,272.37 and 4,318.55 is: 6,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.53 : 21,272.37 = 4,318.55 : x
  2. Step 2: Convert to fraction form
    14,179.53/21,272.37 = 4,318.55/x
  3. Step 3: Cross multiply
    14,179.53x = 21,272.37 × 4,318.55
  4. Step 4: Simplify right side
    14,179.53x = 91,865,793.46
  5. Step 5: Solve for x
    x = 91,865,793.46/14,179.53
  6. Step 6: Final answer
    x = 6,478.76

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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.