Home / 11,128.37-16,692.51-4,554.56

Finding the Fourth Proportional to 11,128.37, 16,692.51 and 4,554.56

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Solution

The fourth proportional to 11,128.37, 16,692.51 and 4,554.56 is: 6,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.37 : 16,692.51 = 4,554.56 : x
  2. Step 2: Convert to fraction form
    11,128.37/16,692.51 = 4,554.56/x
  3. Step 3: Cross multiply
    11,128.37x = 16,692.51 × 4,554.56
  4. Step 4: Simplify right side
    11,128.37x = 76,026,954.88
  5. Step 5: Solve for x
    x = 76,026,954.88/11,128.37
  6. Step 6: Final answer
    x = 6,831.82

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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.