Home / 18,526.60-27,794.40-5,378.68

Finding the Fourth Proportional to 18,526.60, 27,794.40 and 5,378.68

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Solution

The fourth proportional to 18,526.60, 27,794.40 and 5,378.68 is: 8,069.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.60 : 27,794.40 = 5,378.68 : x
  2. Step 2: Convert to fraction form
    18,526.60/27,794.40 = 5,378.68/x
  3. Step 3: Cross multiply
    18,526.60x = 27,794.40 × 5,378.68
  4. Step 4: Simplify right side
    18,526.60x = 149,497,183.39
  5. Step 5: Solve for x
    x = 149,497,183.39/18,526.60
  6. Step 6: Final answer
    x = 8,069.33

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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.