Home / 21,741.60-32,609.20-6,160.80

Finding the Fourth Proportional to 21,741.60, 32,609.20 and 6,160.80

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Solution

The fourth proportional to 21,741.60, 32,609.20 and 6,160.80 is: 9,240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,741.60 : 32,609.20 = 6,160.80 : x
  2. Step 2: Convert to fraction form
    21,741.60/32,609.20 = 6,160.80/x
  3. Step 3: Cross multiply
    21,741.60x = 32,609.20 × 6,160.80
  4. Step 4: Simplify right side
    21,741.60x = 200,898,759.36
  5. Step 5: Solve for x
    x = 200,898,759.36/21,741.60
  6. Step 6: Final answer
    x = 9,240.29

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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.