Home / 9,111.64-13,669.29-2,873.23

Finding the Fourth Proportional to 9,111.64, 13,669.29 and 2,873.23

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Solution

The fourth proportional to 9,111.64, 13,669.29 and 2,873.23 is: 4,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.64 : 13,669.29 = 2,873.23 : x
  2. Step 2: Convert to fraction form
    9,111.64/13,669.29 = 2,873.23/x
  3. Step 3: Cross multiply
    9,111.64x = 13,669.29 × 2,873.23
  4. Step 4: Simplify right side
    9,111.64x = 39,275,014.11
  5. Step 5: Solve for x
    x = 39,275,014.11/9,111.64
  6. Step 6: Final answer
    x = 4,310.42

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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.