Home / 13,805.13-20,711.72-4,444.94

Finding the Fourth Proportional to 13,805.13, 20,711.72 and 4,444.94

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Solution

The fourth proportional to 13,805.13, 20,711.72 and 4,444.94 is: 6,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.13 : 20,711.72 = 4,444.94 : x
  2. Step 2: Convert to fraction form
    13,805.13/20,711.72 = 4,444.94/x
  3. Step 3: Cross multiply
    13,805.13x = 20,711.72 × 4,444.94
  4. Step 4: Simplify right side
    13,805.13x = 92,062,352.70
  5. Step 5: Solve for x
    x = 92,062,352.70/13,805.13
  6. Step 6: Final answer
    x = 6,668.71

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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.