Home / 20,097.19-30,136.20-9,003.97

Finding the Fourth Proportional to 20,097.19, 30,136.20 and 9,003.97

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Solution

The fourth proportional to 20,097.19, 30,136.20 and 9,003.97 is: 13,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.19 : 30,136.20 = 9,003.97 : x
  2. Step 2: Convert to fraction form
    20,097.19/30,136.20 = 9,003.97/x
  3. Step 3: Cross multiply
    20,097.19x = 30,136.20 × 9,003.97
  4. Step 4: Simplify right side
    20,097.19x = 271,345,440.71
  5. Step 5: Solve for x
    x = 271,345,440.71/20,097.19
  6. Step 6: Final answer
    x = 13,501.66

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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.