Home / 11,355.08-17,013.49-7,199.78

Finding the Fourth Proportional to 11,355.08, 17,013.49 and 7,199.78

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Solution

The fourth proportional to 11,355.08, 17,013.49 and 7,199.78 is: 10,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.08 : 17,013.49 = 7,199.78 : x
  2. Step 2: Convert to fraction form
    11,355.08/17,013.49 = 7,199.78/x
  3. Step 3: Cross multiply
    11,355.08x = 17,013.49 × 7,199.78
  4. Step 4: Simplify right side
    11,355.08x = 122,493,349.03
  5. Step 5: Solve for x
    x = 122,493,349.03/11,355.08
  6. Step 6: Final answer
    x = 10,787.54

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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.