Home / 11,697.60-16,142.59-6,392.37

Finding the Fourth Proportional to 11,697.60, 16,142.59 and 6,392.37

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Solution

The fourth proportional to 11,697.60, 16,142.59 and 6,392.37 is: 8,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,697.60 : 16,142.59 = 6,392.37 : x
  2. Step 2: Convert to fraction form
    11,697.60/16,142.59 = 6,392.37/x
  3. Step 3: Cross multiply
    11,697.60x = 16,142.59 × 6,392.37
  4. Step 4: Simplify right side
    11,697.60x = 103,189,408.04
  5. Step 5: Solve for x
    x = 103,189,408.04/11,697.60
  6. Step 6: Final answer
    x = 8,821.42

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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.