Home / 11,897.84-16,418.46-6,520.24

Finding the Fourth Proportional to 11,897.84, 16,418.46 and 6,520.24

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Solution

The fourth proportional to 11,897.84, 16,418.46 and 6,520.24 is: 8,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897.84 : 16,418.46 = 6,520.24 : x
  2. Step 2: Convert to fraction form
    11,897.84/16,418.46 = 6,520.24/x
  3. Step 3: Cross multiply
    11,897.84x = 16,418.46 × 6,520.24
  4. Step 4: Simplify right side
    11,897.84x = 107,052,299.63
  5. Step 5: Solve for x
    x = 107,052,299.63/11,897.84
  6. Step 6: Final answer
    x = 8,997.62

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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.