Home / 18,121.14-25,007.40-11,048.22

Finding the Fourth Proportional to 18,121.14, 25,007.40 and 11,048.22

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Solution

The fourth proportional to 18,121.14, 25,007.40 and 11,048.22 is: 15,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121.14 : 25,007.40 = 11,048.22 : x
  2. Step 2: Convert to fraction form
    18,121.14/25,007.40 = 11,048.22/x
  3. Step 3: Cross multiply
    18,121.14x = 25,007.40 × 11,048.22
  4. Step 4: Simplify right side
    18,121.14x = 276,287,256.83
  5. Step 5: Solve for x
    x = 276,287,256.83/18,121.14
  6. Step 6: Final answer
    x = 15,246.68

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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.