Home / 20,071.06-30,105.07-7,589.97

Finding the Fourth Proportional to 20,071.06, 30,105.07 and 7,589.97

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Solution

The fourth proportional to 20,071.06, 30,105.07 and 7,589.97 is: 11,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.06 : 30,105.07 = 7,589.97 : x
  2. Step 2: Convert to fraction form
    20,071.06/30,105.07 = 7,589.97/x
  3. Step 3: Cross multiply
    20,071.06x = 30,105.07 × 7,589.97
  4. Step 4: Simplify right side
    20,071.06x = 228,496,559.17
  5. Step 5: Solve for x
    x = 228,496,559.17/20,071.06
  6. Step 6: Final answer
    x = 11,384.38

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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.