Home / 20,127.29-30,191.18-6,087.42

Finding the Fourth Proportional to 20,127.29, 30,191.18 and 6,087.42

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Solution

The fourth proportional to 20,127.29, 30,191.18 and 6,087.42 is: 9,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127.29 : 30,191.18 = 6,087.42 : x
  2. Step 2: Convert to fraction form
    20,127.29/30,191.18 = 6,087.42/x
  3. Step 3: Cross multiply
    20,127.29x = 30,191.18 × 6,087.42
  4. Step 4: Simplify right side
    20,127.29x = 183,786,362.52
  5. Step 5: Solve for x
    x = 183,786,362.52/20,127.29
  6. Step 6: Final answer
    x = 9,131.20

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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.