Home / 8,739.60-13,116-5,959.68

Finding the Fourth Proportional to 8,739.60, 13,116 and 5,959.68

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Solution

The fourth proportional to 8,739.60, 13,116 and 5,959.68 is: 8,944.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.60 : 13,116 = 5,959.68 : x
  2. Step 2: Convert to fraction form
    8,739.60/13,116 = 5,959.68/x
  3. Step 3: Cross multiply
    8,739.60x = 13,116 × 5,959.68
  4. Step 4: Simplify right side
    8,739.60x = 78,167,162.88
  5. Step 5: Solve for x
    x = 78,167,162.88/8,739.60
  6. Step 6: Final answer
    x = 8,944.02

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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.