Home / 11,609.84-17,412.96-3,818.60

Finding the Fourth Proportional to 11,609.84, 17,412.96 and 3,818.60

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Solution

The fourth proportional to 11,609.84, 17,412.96 and 3,818.60 is: 5,727.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.84 : 17,412.96 = 3,818.60 : x
  2. Step 2: Convert to fraction form
    11,609.84/17,412.96 = 3,818.60/x
  3. Step 3: Cross multiply
    11,609.84x = 17,412.96 × 3,818.60
  4. Step 4: Simplify right side
    11,609.84x = 66,493,129.06
  5. Step 5: Solve for x
    x = 66,493,129.06/11,609.84
  6. Step 6: Final answer
    x = 5,727.31

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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.