Home / 11,228.87-16,843.36-2,908.30

Finding the Fourth Proportional to 11,228.87, 16,843.36 and 2,908.30

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Solution

The fourth proportional to 11,228.87, 16,843.36 and 2,908.30 is: 4,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.87 : 16,843.36 = 2,908.30 : x
  2. Step 2: Convert to fraction form
    11,228.87/16,843.36 = 2,908.30/x
  3. Step 3: Cross multiply
    11,228.87x = 16,843.36 × 2,908.30
  4. Step 4: Simplify right side
    11,228.87x = 48,985,543.89
  5. Step 5: Solve for x
    x = 48,985,543.89/11,228.87
  6. Step 6: Final answer
    x = 4,362.46

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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.