Home / 14,489.32-21,729.66-4,628.20

Finding the Fourth Proportional to 14,489.32, 21,729.66 and 4,628.20

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Solution

The fourth proportional to 14,489.32, 21,729.66 and 4,628.20 is: 6,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.32 : 21,729.66 = 4,628.20 : x
  2. Step 2: Convert to fraction form
    14,489.32/21,729.66 = 4,628.20/x
  3. Step 3: Cross multiply
    14,489.32x = 21,729.66 × 4,628.20
  4. Step 4: Simplify right side
    14,489.32x = 100,569,212.41
  5. Step 5: Solve for x
    x = 100,569,212.41/14,489.32
  6. Step 6: Final answer
    x = 6,940.92

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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.