Home / 20,189.45-30,287.93-6,150.74

Finding the Fourth Proportional to 20,189.45, 30,287.93 and 6,150.74

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Solution

The fourth proportional to 20,189.45, 30,287.93 and 6,150.74 is: 9,227.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189.45 : 30,287.93 = 6,150.74 : x
  2. Step 2: Convert to fraction form
    20,189.45/30,287.93 = 6,150.74/x
  3. Step 3: Cross multiply
    20,189.45x = 30,287.93 × 6,150.74
  4. Step 4: Simplify right side
    20,189.45x = 186,293,000.37
  5. Step 5: Solve for x
    x = 186,293,000.37/20,189.45
  6. Step 6: Final answer
    x = 9,227.24

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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.