Home / 18,522.99-27,788.73-5,376.42

Finding the Fourth Proportional to 18,522.99, 27,788.73 and 5,376.42

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Solution

The fourth proportional to 18,522.99, 27,788.73 and 5,376.42 is: 8,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.99 : 27,788.73 = 5,376.42 : x
  2. Step 2: Convert to fraction form
    18,522.99/27,788.73 = 5,376.42/x
  3. Step 3: Cross multiply
    18,522.99x = 27,788.73 × 5,376.42
  4. Step 4: Simplify right side
    18,522.99x = 149,403,883.75
  5. Step 5: Solve for x
    x = 149,403,883.75/18,522.99
  6. Step 6: Final answer
    x = 8,065.86

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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.