Home / 20,182.77-30,273.80-9,081.59

Finding the Fourth Proportional to 20,182.77, 30,273.80 and 9,081.59

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Solution

The fourth proportional to 20,182.77, 30,273.80 and 9,081.59 is: 13,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.77 : 30,273.80 = 9,081.59 : x
  2. Step 2: Convert to fraction form
    20,182.77/30,273.80 = 9,081.59/x
  3. Step 3: Cross multiply
    20,182.77x = 30,273.80 × 9,081.59
  4. Step 4: Simplify right side
    20,182.77x = 274,934,042.57
  5. Step 5: Solve for x
    x = 274,934,042.57/20,182.77
  6. Step 6: Final answer
    x = 13,622.22

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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.