Home / 13,759.62-20,635.59-4,272.84

Finding the Fourth Proportional to 13,759.62, 20,635.59 and 4,272.84

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Solution

The fourth proportional to 13,759.62, 20,635.59 and 4,272.84 is: 6,408.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759.62 : 20,635.59 = 4,272.84 : x
  2. Step 2: Convert to fraction form
    13,759.62/20,635.59 = 4,272.84/x
  3. Step 3: Cross multiply
    13,759.62x = 20,635.59 × 4,272.84
  4. Step 4: Simplify right side
    13,759.62x = 88,172,574.38
  5. Step 5: Solve for x
    x = 88,172,574.38/13,759.62
  6. Step 6: Final answer
    x = 6,408.07

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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.