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Finding the Fourth Proportional to 22,800.71, 34,206.33 and 7,218.33

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Solution

The fourth proportional to 22,800.71, 34,206.33 and 7,218.33 is: 10,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,800.71 : 34,206.33 = 7,218.33 : x
  2. Step 2: Convert to fraction form
    22,800.71/34,206.33 = 7,218.33/x
  3. Step 3: Cross multiply
    22,800.71x = 34,206.33 × 7,218.33
  4. Step 4: Simplify right side
    22,800.71x = 246,912,541.94
  5. Step 5: Solve for x
    x = 246,912,541.94/22,800.71
  6. Step 6: Final answer
    x = 10,829.16

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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.