Home / 11,383.98-15,707.14-6,907.60

Finding the Fourth Proportional to 11,383.98, 15,707.14 and 6,907.60

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Solution

The fourth proportional to 11,383.98, 15,707.14 and 6,907.60 is: 9,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.98 : 15,707.14 = 6,907.60 : x
  2. Step 2: Convert to fraction form
    11,383.98/15,707.14 = 6,907.60/x
  3. Step 3: Cross multiply
    11,383.98x = 15,707.14 × 6,907.60
  4. Step 4: Simplify right side
    11,383.98x = 108,498,640.26
  5. Step 5: Solve for x
    x = 108,498,640.26/11,383.98
  6. Step 6: Final answer
    x = 9,530.82

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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.