Home / 11,710.56-17,566.08-3,391.20

Finding the Fourth Proportional to 11,710.56, 17,566.08 and 3,391.20

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Solution

The fourth proportional to 11,710.56, 17,566.08 and 3,391.20 is: 5,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710.56 : 17,566.08 = 3,391.20 : x
  2. Step 2: Convert to fraction form
    11,710.56/17,566.08 = 3,391.20/x
  3. Step 3: Cross multiply
    11,710.56x = 17,566.08 × 3,391.20
  4. Step 4: Simplify right side
    11,710.56x = 59,570,090.50
  5. Step 5: Solve for x
    x = 59,570,090.50/11,710.56
  6. Step 6: Final answer
    x = 5,086.87

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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.