Home / 11,316.40-16,974.60-3,525.22

Finding the Fourth Proportional to 11,316.40, 16,974.60 and 3,525.22

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Solution

The fourth proportional to 11,316.40, 16,974.60 and 3,525.22 is: 5,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.40 : 16,974.60 = 3,525.22 : x
  2. Step 2: Convert to fraction form
    11,316.40/16,974.60 = 3,525.22/x
  3. Step 3: Cross multiply
    11,316.40x = 16,974.60 × 3,525.22
  4. Step 4: Simplify right side
    11,316.40x = 59,839,199.41
  5. Step 5: Solve for x
    x = 59,839,199.41/11,316.40
  6. Step 6: Final answer
    x = 5,287.83

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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.