Home / 20,229.37-30,347.69-6,189.13

Finding the Fourth Proportional to 20,229.37, 30,347.69 and 6,189.13

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Solution

The fourth proportional to 20,229.37, 30,347.69 and 6,189.13 is: 9,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.37 : 30,347.69 = 6,189.13 : x
  2. Step 2: Convert to fraction form
    20,229.37/30,347.69 = 6,189.13/x
  3. Step 3: Cross multiply
    20,229.37x = 30,347.69 × 6,189.13
  4. Step 4: Simplify right side
    20,229.37x = 187,825,852.02
  5. Step 5: Solve for x
    x = 187,825,852.02/20,229.37
  6. Step 6: Final answer
    x = 9,284.81

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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.