Home / 18,213.60-27,319.68-6,525.84

Finding the Fourth Proportional to 18,213.60, 27,319.68 and 6,525.84

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Solution

The fourth proportional to 18,213.60, 27,319.68 and 6,525.84 is: 9,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.60 : 27,319.68 = 6,525.84 : x
  2. Step 2: Convert to fraction form
    18,213.60/27,319.68 = 6,525.84/x
  3. Step 3: Cross multiply
    18,213.60x = 27,319.68 × 6,525.84
  4. Step 4: Simplify right side
    18,213.60x = 178,283,860.53
  5. Step 5: Solve for x
    x = 178,283,860.53/18,213.60
  6. Step 6: Final answer
    x = 9,788.50

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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.