Home / 20,110.62-30,170.27-6,069.47

Finding the Fourth Proportional to 20,110.62, 30,170.27 and 6,069.47

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Solution

The fourth proportional to 20,110.62, 30,170.27 and 6,069.47 is: 9,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.62 : 30,170.27 = 6,069.47 : x
  2. Step 2: Convert to fraction form
    20,110.62/30,170.27 = 6,069.47/x
  3. Step 3: Cross multiply
    20,110.62x = 30,170.27 × 6,069.47
  4. Step 4: Simplify right side
    20,110.62x = 183,117,518.31
  5. Step 5: Solve for x
    x = 183,117,518.31/20,110.62
  6. Step 6: Final answer
    x = 9,105.51

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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.