Home / 11,460.77-17,169.20-7,756.61

Finding the Fourth Proportional to 11,460.77, 17,169.20 and 7,756.61

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Solution

The fourth proportional to 11,460.77, 17,169.20 and 7,756.61 is: 11,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.77 : 17,169.20 = 7,756.61 : x
  2. Step 2: Convert to fraction form
    11,460.77/17,169.20 = 7,756.61/x
  3. Step 3: Cross multiply
    11,460.77x = 17,169.20 × 7,756.61
  4. Step 4: Simplify right side
    11,460.77x = 133,174,749.63
  5. Step 5: Solve for x
    x = 133,174,749.63/11,460.77
  6. Step 6: Final answer
    x = 11,620.05

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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.