Home / 18,070.22-27,065.24-13,879.38

Finding the Fourth Proportional to 18,070.22, 27,065.24 and 13,879.38

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Solution

The fourth proportional to 18,070.22, 27,065.24 and 13,879.38 is: 20,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.22 : 27,065.24 = 13,879.38 : x
  2. Step 2: Convert to fraction form
    18,070.22/27,065.24 = 13,879.38/x
  3. Step 3: Cross multiply
    18,070.22x = 27,065.24 × 13,879.38
  4. Step 4: Simplify right side
    18,070.22x = 375,648,834.90
  5. Step 5: Solve for x
    x = 375,648,834.90/18,070.22
  6. Step 6: Final answer
    x = 20,788.28

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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.