Home / 11,310.30-15,615.93-7,067.82

Finding the Fourth Proportional to 11,310.30, 15,615.93 and 7,067.82

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Solution

The fourth proportional to 11,310.30, 15,615.93 and 7,067.82 is: 9,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.30 : 15,615.93 = 7,067.82 : x
  2. Step 2: Convert to fraction form
    11,310.30/15,615.93 = 7,067.82/x
  3. Step 3: Cross multiply
    11,310.30x = 15,615.93 × 7,067.82
  4. Step 4: Simplify right side
    11,310.30x = 110,370,582.37
  5. Step 5: Solve for x
    x = 110,370,582.37/11,310.30
  6. Step 6: Final answer
    x = 9,758.41

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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.