Home / 22,081.77-30,465.09-12,520.26

Finding the Fourth Proportional to 22,081.77, 30,465.09 and 12,520.26

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Solution

The fourth proportional to 22,081.77, 30,465.09 and 12,520.26 is: 17,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.77 : 30,465.09 = 12,520.26 : x
  2. Step 2: Convert to fraction form
    22,081.77/30,465.09 = 12,520.26/x
  3. Step 3: Cross multiply
    22,081.77x = 30,465.09 × 12,520.26
  4. Step 4: Simplify right side
    22,081.77x = 381,430,847.72
  5. Step 5: Solve for x
    x = 381,430,847.72/22,081.77
  6. Step 6: Final answer
    x = 17,273.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.