Home / 20,632.16-30,950.30-7,485.56

Finding the Fourth Proportional to 20,632.16, 30,950.30 and 7,485.56

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Solution

The fourth proportional to 20,632.16, 30,950.30 and 7,485.56 is: 11,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632.16 : 30,950.30 = 7,485.56 : x
  2. Step 2: Convert to fraction form
    20,632.16/30,950.30 = 7,485.56/x
  3. Step 3: Cross multiply
    20,632.16x = 30,950.30 × 7,485.56
  4. Step 4: Simplify right side
    20,632.16x = 231,680,290.24
  5. Step 5: Solve for x
    x = 231,680,290.24/20,632.16
  6. Step 6: Final answer
    x = 11,229.09

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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.