Home / 18,812.91-28,222.29-6,331.97

Finding the Fourth Proportional to 18,812.91, 28,222.29 and 6,331.97

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Solution

The fourth proportional to 18,812.91, 28,222.29 and 6,331.97 is: 9,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812.91 : 28,222.29 = 6,331.97 : x
  2. Step 2: Convert to fraction form
    18,812.91/28,222.29 = 6,331.97/x
  3. Step 3: Cross multiply
    18,812.91x = 28,222.29 × 6,331.97
  4. Step 4: Simplify right side
    18,812.91x = 178,702,552.50
  5. Step 5: Solve for x
    x = 178,702,552.50/18,812.91
  6. Step 6: Final answer
    x = 9,498.93

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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.