Home / 11,821.64-17,735.06-3,502.31

Finding the Fourth Proportional to 11,821.64, 17,735.06 and 3,502.31

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Solution

The fourth proportional to 11,821.64, 17,735.06 and 3,502.31 is: 5,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.64 : 17,735.06 = 3,502.31 : x
  2. Step 2: Convert to fraction form
    11,821.64/17,735.06 = 3,502.31/x
  3. Step 3: Cross multiply
    11,821.64x = 17,735.06 × 3,502.31
  4. Step 4: Simplify right side
    11,821.64x = 62,113,647.06
  5. Step 5: Solve for x
    x = 62,113,647.06/11,821.64
  6. Step 6: Final answer
    x = 5,254.23

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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.