Home / 18,261.22-27,389.07-5,779.62

Finding the Fourth Proportional to 18,261.22, 27,389.07 and 5,779.62

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Solution

The fourth proportional to 18,261.22, 27,389.07 and 5,779.62 is: 8,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.22 : 27,389.07 = 5,779.62 : x
  2. Step 2: Convert to fraction form
    18,261.22/27,389.07 = 5,779.62/x
  3. Step 3: Cross multiply
    18,261.22x = 27,389.07 × 5,779.62
  4. Step 4: Simplify right side
    18,261.22x = 158,298,416.75
  5. Step 5: Solve for x
    x = 158,298,416.75/18,261.22
  6. Step 6: Final answer
    x = 8,668.56

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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.