Home / 11,690.37-16,132.61-6,385.14

Finding the Fourth Proportional to 11,690.37, 16,132.61 and 6,385.14

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Solution

The fourth proportional to 11,690.37, 16,132.61 and 6,385.14 is: 8,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.37 : 16,132.61 = 6,385.14 : x
  2. Step 2: Convert to fraction form
    11,690.37/16,132.61 = 6,385.14/x
  3. Step 3: Cross multiply
    11,690.37x = 16,132.61 × 6,385.14
  4. Step 4: Simplify right side
    11,690.37x = 103,008,941.49
  5. Step 5: Solve for x
    x = 103,008,941.49/11,690.37
  6. Step 6: Final answer
    x = 8,811.44

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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.