Home / 20,169.67-30,247.17-7,693.15

Finding the Fourth Proportional to 20,169.67, 30,247.17 and 7,693.15

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Solution

The fourth proportional to 20,169.67, 30,247.17 and 7,693.15 is: 11,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.67 : 30,247.17 = 7,693.15 : x
  2. Step 2: Convert to fraction form
    20,169.67/30,247.17 = 7,693.15/x
  3. Step 3: Cross multiply
    20,169.67x = 30,247.17 × 7,693.15
  4. Step 4: Simplify right side
    20,169.67x = 232,696,015.89
  5. Step 5: Solve for x
    x = 232,696,015.89/20,169.67
  6. Step 6: Final answer
    x = 11,536.93

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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.