Home / 22,911.21-34,356.03-8,877.81

Finding the Fourth Proportional to 22,911.21, 34,356.03 and 8,877.81

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Solution

The fourth proportional to 22,911.21, 34,356.03 and 8,877.81 is: 13,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,911.21 : 34,356.03 = 8,877.81 : x
  2. Step 2: Convert to fraction form
    22,911.21/34,356.03 = 8,877.81/x
  3. Step 3: Cross multiply
    22,911.21x = 34,356.03 × 8,877.81
  4. Step 4: Simplify right side
    22,911.21x = 305,006,306.69
  5. Step 5: Solve for x
    x = 305,006,306.69/22,911.21
  6. Step 6: Final answer
    x = 13,312.54

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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.