Home / 8,738.64-13,090.68-6,986.52

Finding the Fourth Proportional to 8,738.64, 13,090.68 and 6,986.52

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Solution

The fourth proportional to 8,738.64, 13,090.68 and 6,986.52 is: 10,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.64 : 13,090.68 = 6,986.52 : x
  2. Step 2: Convert to fraction form
    8,738.64/13,090.68 = 6,986.52/x
  3. Step 3: Cross multiply
    8,738.64x = 13,090.68 × 6,986.52
  4. Step 4: Simplify right side
    8,738.64x = 91,458,297.63
  5. Step 5: Solve for x
    x = 91,458,297.63/8,738.64
  6. Step 6: Final answer
    x = 10,465.96

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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.