Home / 22,800.15-34,196.81-7,215.75

Finding the Fourth Proportional to 22,800.15, 34,196.81 and 7,215.75

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Solution

The fourth proportional to 22,800.15, 34,196.81 and 7,215.75 is: 10,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,800.15 : 34,196.81 = 7,215.75 : x
  2. Step 2: Convert to fraction form
    22,800.15/34,196.81 = 7,215.75/x
  3. Step 3: Cross multiply
    22,800.15x = 34,196.81 × 7,215.75
  4. Step 4: Simplify right side
    22,800.15x = 246,755,595.68
  5. Step 5: Solve for x
    x = 246,755,595.68/22,800.15
  6. Step 6: Final answer
    x = 10,822.54

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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.