Home / 20,085.25-30,088.66-9,540.26

Finding the Fourth Proportional to 20,085.25, 30,088.66 and 9,540.26

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Solution

The fourth proportional to 20,085.25, 30,088.66 and 9,540.26 is: 14,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085.25 : 30,088.66 = 9,540.26 : x
  2. Step 2: Convert to fraction form
    20,085.25/30,088.66 = 9,540.26/x
  3. Step 3: Cross multiply
    20,085.25x = 30,088.66 × 9,540.26
  4. Step 4: Simplify right side
    20,085.25x = 287,053,591.75
  5. Step 5: Solve for x
    x = 287,053,591.75/20,085.25
  6. Step 6: Final answer
    x = 14,291.76

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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.