Home / 9,309.33-13,950.83-5,151.20

Finding the Fourth Proportional to 9,309.33, 13,950.83 and 5,151.20

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Solution

The fourth proportional to 9,309.33, 13,950.83 and 5,151.20 is: 7,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.33 : 13,950.83 = 5,151.20 : x
  2. Step 2: Convert to fraction form
    9,309.33/13,950.83 = 5,151.20/x
  3. Step 3: Cross multiply
    9,309.33x = 13,950.83 × 5,151.20
  4. Step 4: Simplify right side
    9,309.33x = 71,863,458.62
  5. Step 5: Solve for x
    x = 71,863,458.62/9,309.33
  6. Step 6: Final answer
    x = 7,719.51

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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.