Home / 18,121.16-25,007.46-10,950.08

Finding the Fourth Proportional to 18,121.16, 25,007.46 and 10,950.08

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Solution

The fourth proportional to 18,121.16, 25,007.46 and 10,950.08 is: 15,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121.16 : 25,007.46 = 10,950.08 : x
  2. Step 2: Convert to fraction form
    18,121.16/25,007.46 = 10,950.08/x
  3. Step 3: Cross multiply
    18,121.16x = 25,007.46 × 10,950.08
  4. Step 4: Simplify right side
    18,121.16x = 273,833,632.85
  5. Step 5: Solve for x
    x = 273,833,632.85/18,121.16
  6. Step 6: Final answer
    x = 15,111.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.