Home / 20,080.26-30,081.51-9,699.30

Finding the Fourth Proportional to 20,080.26, 30,081.51 and 9,699.30

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Solution

The fourth proportional to 20,080.26, 30,081.51 and 9,699.30 is: 14,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.26 : 30,081.51 = 9,699.30 : x
  2. Step 2: Convert to fraction form
    20,080.26/30,081.51 = 9,699.30/x
  3. Step 3: Cross multiply
    20,080.26x = 30,081.51 × 9,699.30
  4. Step 4: Simplify right side
    20,080.26x = 291,769,589.94
  5. Step 5: Solve for x
    x = 291,769,589.94/20,080.26
  6. Step 6: Final answer
    x = 14,530.17

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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.