Home / 11,840.76-17,754.96-3,519.63

Finding the Fourth Proportional to 11,840.76, 17,754.96 and 3,519.63

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Solution

The fourth proportional to 11,840.76, 17,754.96 and 3,519.63 is: 5,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.76 : 17,754.96 = 3,519.63 : x
  2. Step 2: Convert to fraction form
    11,840.76/17,754.96 = 3,519.63/x
  3. Step 3: Cross multiply
    11,840.76x = 17,754.96 × 3,519.63
  4. Step 4: Simplify right side
    11,840.76x = 62,490,889.86
  5. Step 5: Solve for x
    x = 62,490,889.86/11,840.76
  6. Step 6: Final answer
    x = 5,277.61

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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.