Home / 11,718.29-17,579.27-3,818.98

Finding the Fourth Proportional to 11,718.29, 17,579.27 and 3,818.98

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Solution

The fourth proportional to 11,718.29, 17,579.27 and 3,818.98 is: 5,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.29 : 17,579.27 = 3,818.98 : x
  2. Step 2: Convert to fraction form
    11,718.29/17,579.27 = 3,818.98/x
  3. Step 3: Cross multiply
    11,718.29x = 17,579.27 × 3,818.98
  4. Step 4: Simplify right side
    11,718.29x = 67,134,846.14
  5. Step 5: Solve for x
    x = 67,134,846.14/11,718.29
  6. Step 6: Final answer
    x = 5,729.06

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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.