Home / 20,227.08-30,344.64-6,189.06

Finding the Fourth Proportional to 20,227.08, 30,344.64 and 6,189.06

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Solution

The fourth proportional to 20,227.08, 30,344.64 and 6,189.06 is: 9,284.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.08 : 30,344.64 = 6,189.06 : x
  2. Step 2: Convert to fraction form
    20,227.08/30,344.64 = 6,189.06/x
  3. Step 3: Cross multiply
    20,227.08x = 30,344.64 × 6,189.06
  4. Step 4: Simplify right side
    20,227.08x = 187,804,797.64
  5. Step 5: Solve for x
    x = 187,804,797.64/20,227.08
  6. Step 6: Final answer
    x = 9,284.82

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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.