Home / 20,243.33-30,378.67-7,095.81

Finding the Fourth Proportional to 20,243.33, 30,378.67 and 7,095.81

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Solution

The fourth proportional to 20,243.33, 30,378.67 and 7,095.81 is: 10,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243.33 : 30,378.67 = 7,095.81 : x
  2. Step 2: Convert to fraction form
    20,243.33/30,378.67 = 7,095.81/x
  3. Step 3: Cross multiply
    20,243.33x = 30,378.67 × 7,095.81
  4. Step 4: Simplify right side
    20,243.33x = 215,561,366.55
  5. Step 5: Solve for x
    x = 215,561,366.55/20,243.33
  6. Step 6: Final answer
    x = 10,648.51

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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.