Home / 20,181.24-30,271.86-6,141.24

Finding the Fourth Proportional to 20,181.24, 30,271.86 and 6,141.24

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Solution

The fourth proportional to 20,181.24, 30,271.86 and 6,141.24 is: 9,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181.24 : 30,271.86 = 6,141.24 : x
  2. Step 2: Convert to fraction form
    20,181.24/30,271.86 = 6,141.24/x
  3. Step 3: Cross multiply
    20,181.24x = 30,271.86 × 6,141.24
  4. Step 4: Simplify right side
    20,181.24x = 185,906,757.51
  5. Step 5: Solve for x
    x = 185,906,757.51/20,181.24
  6. Step 6: Final answer
    x = 9,211.86

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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.