Home / 12,021.88-16,588.50-6,716

Finding the Fourth Proportional to 12,021.88, 16,588.50 and 6,716

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Solution

The fourth proportional to 12,021.88, 16,588.50 and 6,716 is: 9,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.88 : 16,588.50 = 6,716 : x
  2. Step 2: Convert to fraction form
    12,021.88/16,588.50 = 6,716/x
  3. Step 3: Cross multiply
    12,021.88x = 16,588.50 × 6,716
  4. Step 4: Simplify right side
    12,021.88x = 111,408,366
  5. Step 5: Solve for x
    x = 111,408,366/12,021.88
  6. Step 6: Final answer
    x = 9,267.13

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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.