Home / 18,522.06-27,778.15-5,194.26

Finding the Fourth Proportional to 18,522.06, 27,778.15 and 5,194.26

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Solution

The fourth proportional to 18,522.06, 27,778.15 and 5,194.26 is: 7,790.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.06 : 27,778.15 = 5,194.26 : x
  2. Step 2: Convert to fraction form
    18,522.06/27,778.15 = 5,194.26/x
  3. Step 3: Cross multiply
    18,522.06x = 27,778.15 × 5,194.26
  4. Step 4: Simplify right side
    18,522.06x = 144,286,933.42
  5. Step 5: Solve for x
    x = 144,286,933.42/18,522.06
  6. Step 6: Final answer
    x = 7,790.00

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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.