Home / 11,989.89-16,544.52-6,684.93

Finding the Fourth Proportional to 11,989.89, 16,544.52 and 6,684.93

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Solution

The fourth proportional to 11,989.89, 16,544.52 and 6,684.93 is: 9,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.89 : 16,544.52 = 6,684.93 : x
  2. Step 2: Convert to fraction form
    11,989.89/16,544.52 = 6,684.93/x
  3. Step 3: Cross multiply
    11,989.89x = 16,544.52 × 6,684.93
  4. Step 4: Simplify right side
    11,989.89x = 110,598,958.08
  5. Step 5: Solve for x
    x = 110,598,958.08/11,989.89
  6. Step 6: Final answer
    x = 9,224.35

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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.