Home / 11,209.86-16,816.28-5,947.56

Finding the Fourth Proportional to 11,209.86, 16,816.28 and 5,947.56

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Solution

The fourth proportional to 11,209.86, 16,816.28 and 5,947.56 is: 8,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.86 : 16,816.28 = 5,947.56 : x
  2. Step 2: Convert to fraction form
    11,209.86/16,816.28 = 5,947.56/x
  3. Step 3: Cross multiply
    11,209.86x = 16,816.28 × 5,947.56
  4. Step 4: Simplify right side
    11,209.86x = 100,015,804.54
  5. Step 5: Solve for x
    x = 100,015,804.54/11,209.86
  6. Step 6: Final answer
    x = 8,922.13

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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.