Home / 20,147.03-27,792.45-12,074.27

Finding the Fourth Proportional to 20,147.03, 27,792.45 and 12,074.27

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Solution

The fourth proportional to 20,147.03, 27,792.45 and 12,074.27 is: 16,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147.03 : 27,792.45 = 12,074.27 : x
  2. Step 2: Convert to fraction form
    20,147.03/27,792.45 = 12,074.27/x
  3. Step 3: Cross multiply
    20,147.03x = 27,792.45 × 12,074.27
  4. Step 4: Simplify right side
    20,147.03x = 335,573,406.30
  5. Step 5: Solve for x
    x = 335,573,406.30/20,147.03
  6. Step 6: Final answer
    x = 16,656.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.