Home / 11,209.44-16,814.16-4,285.56

Finding the Fourth Proportional to 11,209.44, 16,814.16 and 4,285.56

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Solution

The fourth proportional to 11,209.44, 16,814.16 and 4,285.56 is: 6,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.44 : 16,814.16 = 4,285.56 : x
  2. Step 2: Convert to fraction form
    11,209.44/16,814.16 = 4,285.56/x
  3. Step 3: Cross multiply
    11,209.44x = 16,814.16 × 4,285.56
  4. Step 4: Simplify right side
    11,209.44x = 72,058,091.53
  5. Step 5: Solve for x
    x = 72,058,091.53/11,209.44
  6. Step 6: Final answer
    x = 6,428.34

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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.