Home / 18,516.26-25,553.14-10,558.28

Finding the Fourth Proportional to 18,516.26, 25,553.14 and 10,558.28

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Solution

The fourth proportional to 18,516.26, 25,553.14 and 10,558.28 is: 14,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.26 : 25,553.14 = 10,558.28 : x
  2. Step 2: Convert to fraction form
    18,516.26/25,553.14 = 10,558.28/x
  3. Step 3: Cross multiply
    18,516.26x = 25,553.14 × 10,558.28
  4. Step 4: Simplify right side
    18,516.26x = 269,797,207.00
  5. Step 5: Solve for x
    x = 269,797,207.00/18,516.26
  6. Step 6: Final answer
    x = 14,570.83

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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.