Home / 20,188.97-30,283.62-7,041.32

Finding the Fourth Proportional to 20,188.97, 30,283.62 and 7,041.32

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Solution

The fourth proportional to 20,188.97, 30,283.62 and 7,041.32 is: 10,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188.97 : 30,283.62 = 7,041.32 : x
  2. Step 2: Convert to fraction form
    20,188.97/30,283.62 = 7,041.32/x
  3. Step 3: Cross multiply
    20,188.97x = 30,283.62 × 7,041.32
  4. Step 4: Simplify right side
    20,188.97x = 213,236,659.18
  5. Step 5: Solve for x
    x = 213,236,659.18/20,188.97
  6. Step 6: Final answer
    x = 10,562.04

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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.