Home / 20,125.60-30,192.66-6,086.68

Finding the Fourth Proportional to 20,125.60, 30,192.66 and 6,086.68

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Solution

The fourth proportional to 20,125.60, 30,192.66 and 6,086.68 is: 9,131.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125.60 : 30,192.66 = 6,086.68 : x
  2. Step 2: Convert to fraction form
    20,125.60/30,192.66 = 6,086.68/x
  3. Step 3: Cross multiply
    20,125.60x = 30,192.66 × 6,086.68
  4. Step 4: Simplify right side
    20,125.60x = 183,773,059.77
  5. Step 5: Solve for x
    x = 183,773,059.77/20,125.60
  6. Step 6: Final answer
    x = 9,131.31

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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.