Home / 13,882.88-20,826.48-4,520.69

Finding the Fourth Proportional to 13,882.88, 20,826.48 and 4,520.69

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Solution

The fourth proportional to 13,882.88, 20,826.48 and 4,520.69 is: 6,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.88 : 20,826.48 = 4,520.69 : x
  2. Step 2: Convert to fraction form
    13,882.88/20,826.48 = 4,520.69/x
  3. Step 3: Cross multiply
    13,882.88x = 20,826.48 × 4,520.69
  4. Step 4: Simplify right side
    13,882.88x = 94,149,955.74
  5. Step 5: Solve for x
    x = 94,149,955.74/13,882.88
  6. Step 6: Final answer
    x = 6,781.73

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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.