Home / 11,613.96-17,420.70-3,822.84

Finding the Fourth Proportional to 11,613.96, 17,420.70 and 3,822.84

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Solution

The fourth proportional to 11,613.96, 17,420.70 and 3,822.84 is: 5,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.96 : 17,420.70 = 3,822.84 : x
  2. Step 2: Convert to fraction form
    11,613.96/17,420.70 = 3,822.84/x
  3. Step 3: Cross multiply
    11,613.96x = 17,420.70 × 3,822.84
  4. Step 4: Simplify right side
    11,613.96x = 66,596,548.79
  5. Step 5: Solve for x
    x = 66,596,548.79/11,613.96
  6. Step 6: Final answer
    x = 5,734.18

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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.