Home / 11,121.34-16,683.05-4,101.07

Finding the Fourth Proportional to 11,121.34, 16,683.05 and 4,101.07

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Solution

The fourth proportional to 11,121.34, 16,683.05 and 4,101.07 is: 6,151.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.34 : 16,683.05 = 4,101.07 : x
  2. Step 2: Convert to fraction form
    11,121.34/16,683.05 = 4,101.07/x
  3. Step 3: Cross multiply
    11,121.34x = 16,683.05 × 4,101.07
  4. Step 4: Simplify right side
    11,121.34x = 68,418,355.86
  5. Step 5: Solve for x
    x = 68,418,355.86/11,121.34
  6. Step 6: Final answer
    x = 6,151.99

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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.