Home / 18,820.25-28,222.16-6,336.92

Finding the Fourth Proportional to 18,820.25, 28,222.16 and 6,336.92

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Solution

The fourth proportional to 18,820.25, 28,222.16 and 6,336.92 is: 9,502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820.25 : 28,222.16 = 6,336.92 : x
  2. Step 2: Convert to fraction form
    18,820.25/28,222.16 = 6,336.92/x
  3. Step 3: Cross multiply
    18,820.25x = 28,222.16 × 6,336.92
  4. Step 4: Simplify right side
    18,820.25x = 178,841,444.88
  5. Step 5: Solve for x
    x = 178,841,444.88/18,820.25
  6. Step 6: Final answer
    x = 9,502.61

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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.