Home / 11,310.04-15,615.60-7,067.56

Finding the Fourth Proportional to 11,310.04, 15,615.60 and 7,067.56

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Solution

The fourth proportional to 11,310.04, 15,615.60 and 7,067.56 is: 9,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.04 : 15,615.60 = 7,067.56 : x
  2. Step 2: Convert to fraction form
    11,310.04/15,615.60 = 7,067.56/x
  3. Step 3: Cross multiply
    11,310.04x = 15,615.60 × 7,067.56
  4. Step 4: Simplify right side
    11,310.04x = 110,364,189.94
  5. Step 5: Solve for x
    x = 110,364,189.94/11,310.04
  6. Step 6: Final answer
    x = 9,758.07

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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.