Home / 13,434.58-20,151.84-3,573.86

Finding the Fourth Proportional to 13,434.58, 20,151.84 and 3,573.86

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Solution

The fourth proportional to 13,434.58, 20,151.84 and 3,573.86 is: 5,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.58 : 20,151.84 = 3,573.86 : x
  2. Step 2: Convert to fraction form
    13,434.58/20,151.84 = 3,573.86/x
  3. Step 3: Cross multiply
    13,434.58x = 20,151.84 × 3,573.86
  4. Step 4: Simplify right side
    13,434.58x = 72,019,854.90
  5. Step 5: Solve for x
    x = 72,019,854.90/13,434.58
  6. Step 6: Final answer
    x = 5,360.78

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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.