Home / 11,018.27-16,521.19-3,620.74

Finding the Fourth Proportional to 11,018.27, 16,521.19 and 3,620.74

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Solution

The fourth proportional to 11,018.27, 16,521.19 and 3,620.74 is: 5,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.27 : 16,521.19 = 3,620.74 : x
  2. Step 2: Convert to fraction form
    11,018.27/16,521.19 = 3,620.74/x
  3. Step 3: Cross multiply
    11,018.27x = 16,521.19 × 3,620.74
  4. Step 4: Simplify right side
    11,018.27x = 59,818,883.13
  5. Step 5: Solve for x
    x = 59,818,883.13/11,018.27
  6. Step 6: Final answer
    x = 5,429.07

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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.