Home / 17,680.10-26,516.91-7,149.56

Finding the Fourth Proportional to 17,680.10, 26,516.91 and 7,149.56

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Solution

The fourth proportional to 17,680.10, 26,516.91 and 7,149.56 is: 10,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680.10 : 26,516.91 = 7,149.56 : x
  2. Step 2: Convert to fraction form
    17,680.10/26,516.91 = 7,149.56/x
  3. Step 3: Cross multiply
    17,680.10x = 26,516.91 × 7,149.56
  4. Step 4: Simplify right side
    17,680.10x = 189,584,239.06
  5. Step 5: Solve for x
    x = 189,584,239.06/17,680.10
  6. Step 6: Final answer
    x = 10,723.03

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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.