Home / 13,201.54-19,790.01-6,620.04

Finding the Fourth Proportional to 13,201.54, 19,790.01 and 6,620.04

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Solution

The fourth proportional to 13,201.54, 19,790.01 and 6,620.04 is: 9,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.54 : 19,790.01 = 6,620.04 : x
  2. Step 2: Convert to fraction form
    13,201.54/19,790.01 = 6,620.04/x
  3. Step 3: Cross multiply
    13,201.54x = 19,790.01 × 6,620.04
  4. Step 4: Simplify right side
    13,201.54x = 131,010,608.33
  5. Step 5: Solve for x
    x = 131,010,608.33/13,201.54
  6. Step 6: Final answer
    x = 9,923.89

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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.