Home / 20,453.71-30,680.52-5,662.58

Finding the Fourth Proportional to 20,453.71, 30,680.52 and 5,662.58

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Solution

The fourth proportional to 20,453.71, 30,680.52 and 5,662.58 is: 8,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453.71 : 30,680.52 = 5,662.58 : x
  2. Step 2: Convert to fraction form
    20,453.71/30,680.52 = 5,662.58/x
  3. Step 3: Cross multiply
    20,453.71x = 30,680.52 × 5,662.58
  4. Step 4: Simplify right side
    20,453.71x = 173,730,898.94
  5. Step 5: Solve for x
    x = 173,730,898.94/20,453.71
  6. Step 6: Final answer
    x = 8,493.86

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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.