Home / 17,620.67-26,430.49-6,527.12

Finding the Fourth Proportional to 17,620.67, 26,430.49 and 6,527.12

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Solution

The fourth proportional to 17,620.67, 26,430.49 and 6,527.12 is: 9,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.67 : 26,430.49 = 6,527.12 : x
  2. Step 2: Convert to fraction form
    17,620.67/26,430.49 = 6,527.12/x
  3. Step 3: Cross multiply
    17,620.67x = 26,430.49 × 6,527.12
  4. Step 4: Simplify right side
    17,620.67x = 172,514,819.18
  5. Step 5: Solve for x
    x = 172,514,819.18/17,620.67
  6. Step 6: Final answer
    x = 9,790.48

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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.