Home / 11,224.15-16,834.60-3,430.87

Finding the Fourth Proportional to 11,224.15, 16,834.60 and 3,430.87

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Solution

The fourth proportional to 11,224.15, 16,834.60 and 3,430.87 is: 5,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.15 : 16,834.60 = 3,430.87 : x
  2. Step 2: Convert to fraction form
    11,224.15/16,834.60 = 3,430.87/x
  3. Step 3: Cross multiply
    11,224.15x = 16,834.60 × 3,430.87
  4. Step 4: Simplify right side
    11,224.15x = 57,757,222.77
  5. Step 5: Solve for x
    x = 57,757,222.77/11,224.15
  6. Step 6: Final answer
    x = 5,145.80

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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.