Home / 11,760.90-17,641.35-3,969.60

Finding the Fourth Proportional to 11,760.90, 17,641.35 and 3,969.60

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Solution

The fourth proportional to 11,760.90, 17,641.35 and 3,969.60 is: 5,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.90 : 17,641.35 = 3,969.60 : x
  2. Step 2: Convert to fraction form
    11,760.90/17,641.35 = 3,969.60/x
  3. Step 3: Cross multiply
    11,760.90x = 17,641.35 × 3,969.60
  4. Step 4: Simplify right side
    11,760.90x = 70,029,102.96
  5. Step 5: Solve for x
    x = 70,029,102.96/11,760.90
  6. Step 6: Final answer
    x = 5,954.40

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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.