Home / 20,111.07-30,170.88-6,072.15

Finding the Fourth Proportional to 20,111.07, 30,170.88 and 6,072.15

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Solution

The fourth proportional to 20,111.07, 30,170.88 and 6,072.15 is: 9,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111.07 : 30,170.88 = 6,072.15 : x
  2. Step 2: Convert to fraction form
    20,111.07/30,170.88 = 6,072.15/x
  3. Step 3: Cross multiply
    20,111.07x = 30,170.88 × 6,072.15
  4. Step 4: Simplify right side
    20,111.07x = 183,202,108.99
  5. Step 5: Solve for x
    x = 183,202,108.99/20,111.07
  6. Step 6: Final answer
    x = 9,109.52

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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.