Home / 20,324.53-30,486.03-7,176.57

Finding the Fourth Proportional to 20,324.53, 30,486.03 and 7,176.57

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Solution

The fourth proportional to 20,324.53, 30,486.03 and 7,176.57 is: 10,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.53 : 30,486.03 = 7,176.57 : x
  2. Step 2: Convert to fraction form
    20,324.53/30,486.03 = 7,176.57/x
  3. Step 3: Cross multiply
    20,324.53x = 30,486.03 × 7,176.57
  4. Step 4: Simplify right side
    20,324.53x = 218,785,128.32
  5. Step 5: Solve for x
    x = 218,785,128.32/20,324.53
  6. Step 6: Final answer
    x = 10,764.58

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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.