Home / 20,127.68-30,190.14-6,088.12

Finding the Fourth Proportional to 20,127.68, 30,190.14 and 6,088.12

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Solution

The fourth proportional to 20,127.68, 30,190.14 and 6,088.12 is: 9,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127.68 : 30,190.14 = 6,088.12 : x
  2. Step 2: Convert to fraction form
    20,127.68/30,190.14 = 6,088.12/x
  3. Step 3: Cross multiply
    20,127.68x = 30,190.14 × 6,088.12
  4. Step 4: Simplify right side
    20,127.68x = 183,801,195.14
  5. Step 5: Solve for x
    x = 183,801,195.14/20,127.68
  6. Step 6: Final answer
    x = 9,131.76

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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.