Home / 23,138.94-34,704.01-11,280.81

Finding the Fourth Proportional to 23,138.94, 34,704.01 and 11,280.81

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Solution

The fourth proportional to 23,138.94, 34,704.01 and 11,280.81 is: 16,919.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.94 : 34,704.01 = 11,280.81 : x
  2. Step 2: Convert to fraction form
    23,138.94/34,704.01 = 11,280.81/x
  3. Step 3: Cross multiply
    23,138.94x = 34,704.01 × 11,280.81
  4. Step 4: Simplify right side
    23,138.94x = 391,489,487.29
  5. Step 5: Solve for x
    x = 391,489,487.29/23,138.94
  6. Step 6: Final answer
    x = 16,919.07

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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.