Home / 8,664.76-11,932.18-7,529.91

Finding the Fourth Proportional to 8,664.76, 11,932.18 and 7,529.91

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Solution

The fourth proportional to 8,664.76, 11,932.18 and 7,529.91 is: 10,369.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.76 : 11,932.18 = 7,529.91 : x
  2. Step 2: Convert to fraction form
    8,664.76/11,932.18 = 7,529.91/x
  3. Step 3: Cross multiply
    8,664.76x = 11,932.18 × 7,529.91
  4. Step 4: Simplify right side
    8,664.76x = 89,848,241.50
  5. Step 5: Solve for x
    x = 89,848,241.50/8,664.76
  6. Step 6: Final answer
    x = 10,369.39

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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.