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Finding the Fourth Proportional to 11,752.17, 17,610.03 and 6,809.55

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Solution

The fourth proportional to 11,752.17, 17,610.03 and 6,809.55 is: 10,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.17 : 17,610.03 = 6,809.55 : x
  2. Step 2: Convert to fraction form
    11,752.17/17,610.03 = 6,809.55/x
  3. Step 3: Cross multiply
    11,752.17x = 17,610.03 × 6,809.55
  4. Step 4: Simplify right side
    11,752.17x = 119,916,379.79
  5. Step 5: Solve for x
    x = 119,916,379.79/11,752.17
  6. Step 6: Final answer
    x = 10,203.76

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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.