Home / 17,190.00-25,779.60-6,659.30

Finding the Fourth Proportional to 17,190.00, 25,779.60 and 6,659.30

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Solution

The fourth proportional to 17,190.00, 25,779.60 and 6,659.30 is: 9,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190.00 : 25,779.60 = 6,659.30 : x
  2. Step 2: Convert to fraction form
    17,190.00/25,779.60 = 6,659.30/x
  3. Step 3: Cross multiply
    17,190.00x = 25,779.60 × 6,659.30
  4. Step 4: Simplify right side
    17,190.00x = 171,673,986.35
  5. Step 5: Solve for x
    x = 171,673,986.35/17,190.00
  6. Step 6: Final answer
    x = 9,986.85

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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.