Home / 11,541.72-17,319.87-6,620.97

Finding the Fourth Proportional to 11,541.72, 17,319.87 and 6,620.97

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Solution

The fourth proportional to 11,541.72, 17,319.87 and 6,620.97 is: 9,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.72 : 17,319.87 = 6,620.97 : x
  2. Step 2: Convert to fraction form
    11,541.72/17,319.87 = 6,620.97/x
  3. Step 3: Cross multiply
    11,541.72x = 17,319.87 × 6,620.97
  4. Step 4: Simplify right side
    11,541.72x = 114,674,339.67
  5. Step 5: Solve for x
    x = 114,674,339.67/11,541.72
  6. Step 6: Final answer
    x = 9,935.64

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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.