Home / 11,888.44-16,403.31-7,107.48

Finding the Fourth Proportional to 11,888.44, 16,403.31 and 7,107.48

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Solution

The fourth proportional to 11,888.44, 16,403.31 and 7,107.48 is: 9,806.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.44 : 16,403.31 = 7,107.48 : x
  2. Step 2: Convert to fraction form
    11,888.44/16,403.31 = 7,107.48/x
  3. Step 3: Cross multiply
    11,888.44x = 16,403.31 × 7,107.48
  4. Step 4: Simplify right side
    11,888.44x = 116,586,197.76
  5. Step 5: Solve for x
    x = 116,586,197.76/11,888.44
  6. Step 6: Final answer
    x = 9,806.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.