Home / 8,867.68-13,262.30-7,887.37

Finding the Fourth Proportional to 8,867.68, 13,262.30 and 7,887.37

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Solution

The fourth proportional to 8,867.68, 13,262.30 and 7,887.37 is: 11,796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.68 : 13,262.30 = 7,887.37 : x
  2. Step 2: Convert to fraction form
    8,867.68/13,262.30 = 7,887.37/x
  3. Step 3: Cross multiply
    8,867.68x = 13,262.30 × 7,887.37
  4. Step 4: Simplify right side
    8,867.68x = 104,604,667.15
  5. Step 5: Solve for x
    x = 104,604,667.15/8,867.68
  6. Step 6: Final answer
    x = 11,796.17

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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.