Home / 20,228.91-30,330.69-6,184.29

Finding the Fourth Proportional to 20,228.91, 30,330.69 and 6,184.29

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Solution

The fourth proportional to 20,228.91, 30,330.69 and 6,184.29 is: 9,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.91 : 30,330.69 = 6,184.29 : x
  2. Step 2: Convert to fraction form
    20,228.91/30,330.69 = 6,184.29/x
  3. Step 3: Cross multiply
    20,228.91x = 30,330.69 × 6,184.29
  4. Step 4: Simplify right side
    20,228.91x = 187,573,782.86
  5. Step 5: Solve for x
    x = 187,573,782.86/20,228.91
  6. Step 6: Final answer
    x = 9,272.56

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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.