Home / 8,686.50-11,997.27-5,887.14

Finding the Fourth Proportional to 8,686.50, 11,997.27 and 5,887.14

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Solution

The fourth proportional to 8,686.50, 11,997.27 and 5,887.14 is: 8,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.50 : 11,997.27 = 5,887.14 : x
  2. Step 2: Convert to fraction form
    8,686.50/11,997.27 = 5,887.14/x
  3. Step 3: Cross multiply
    8,686.50x = 11,997.27 × 5,887.14
  4. Step 4: Simplify right side
    8,686.50x = 70,629,608.11
  5. Step 5: Solve for x
    x = 70,629,608.11/8,686.50
  6. Step 6: Final answer
    x = 8,130.96

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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.