Home / 11,118.84-16,679.29-4,098.57

Finding the Fourth Proportional to 11,118.84, 16,679.29 and 4,098.57

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Solution

The fourth proportional to 11,118.84, 16,679.29 and 4,098.57 is: 6,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.84 : 16,679.29 = 4,098.57 : x
  2. Step 2: Convert to fraction form
    11,118.84/16,679.29 = 4,098.57/x
  3. Step 3: Cross multiply
    11,118.84x = 16,679.29 × 4,098.57
  4. Step 4: Simplify right side
    11,118.84x = 68,361,324.77
  5. Step 5: Solve for x
    x = 68,361,324.77/11,118.84
  6. Step 6: Final answer
    x = 6,148.24

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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.