Home / 9,109.31-13,659.30-4,174.66

Finding the Fourth Proportional to 9,109.31, 13,659.30 and 4,174.66

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Solution

The fourth proportional to 9,109.31, 13,659.30 and 4,174.66 is: 6,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.31 : 13,659.30 = 4,174.66 : x
  2. Step 2: Convert to fraction form
    9,109.31/13,659.30 = 4,174.66/x
  3. Step 3: Cross multiply
    9,109.31x = 13,659.30 × 4,174.66
  4. Step 4: Simplify right side
    9,109.31x = 57,022,971.22
  5. Step 5: Solve for x
    x = 57,022,971.22/9,109.31
  6. Step 6: Final answer
    x = 6,259.86

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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.