Home / 13,573.66-20,359.52-4,213.45

Finding the Fourth Proportional to 13,573.66, 20,359.52 and 4,213.45

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Solution

The fourth proportional to 13,573.66, 20,359.52 and 4,213.45 is: 6,319.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.66 : 20,359.52 = 4,213.45 : x
  2. Step 2: Convert to fraction form
    13,573.66/20,359.52 = 4,213.45/x
  3. Step 3: Cross multiply
    13,573.66x = 20,359.52 × 4,213.45
  4. Step 4: Simplify right side
    13,573.66x = 85,783,819.54
  5. Step 5: Solve for x
    x = 85,783,819.54/13,573.66
  6. Step 6: Final answer
    x = 6,319.87

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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.