Home / 11,118.78-16,679.02-3,723.26

Finding the Fourth Proportional to 11,118.78, 16,679.02 and 3,723.26

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Solution

The fourth proportional to 11,118.78, 16,679.02 and 3,723.26 is: 5,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.78 : 16,679.02 = 3,723.26 : x
  2. Step 2: Convert to fraction form
    11,118.78/16,679.02 = 3,723.26/x
  3. Step 3: Cross multiply
    11,118.78x = 16,679.02 × 3,723.26
  4. Step 4: Simplify right side
    11,118.78x = 62,100,328.01
  5. Step 5: Solve for x
    x = 62,100,328.01/11,118.78
  6. Step 6: Final answer
    x = 5,585.17

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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.