Home / 11,213.93-16,816.97-3,314.36

Finding the Fourth Proportional to 11,213.93, 16,816.97 and 3,314.36

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Solution

The fourth proportional to 11,213.93, 16,816.97 and 3,314.36 is: 4,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.93 : 16,816.97 = 3,314.36 : x
  2. Step 2: Convert to fraction form
    11,213.93/16,816.97 = 3,314.36/x
  3. Step 3: Cross multiply
    11,213.93x = 16,816.97 × 3,314.36
  4. Step 4: Simplify right side
    11,213.93x = 55,737,543.02
  5. Step 5: Solve for x
    x = 55,737,543.02/11,213.93
  6. Step 6: Final answer
    x = 4,970.38

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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.