Home / 20,626.53-30,920.76-7,475.37

Finding the Fourth Proportional to 20,626.53, 30,920.76 and 7,475.37

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Solution

The fourth proportional to 20,626.53, 30,920.76 and 7,475.37 is: 11,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.53 : 30,920.76 = 7,475.37 : x
  2. Step 2: Convert to fraction form
    20,626.53/30,920.76 = 7,475.37/x
  3. Step 3: Cross multiply
    20,626.53x = 30,920.76 × 7,475.37
  4. Step 4: Simplify right side
    20,626.53x = 231,144,121.68
  5. Step 5: Solve for x
    x = 231,144,121.68/20,626.53
  6. Step 6: Final answer
    x = 11,206.16

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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.