Home / 11,913.50-16,441.56-6,609.34

Finding the Fourth Proportional to 11,913.50, 16,441.56 and 6,609.34

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Solution

The fourth proportional to 11,913.50, 16,441.56 and 6,609.34 is: 9,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.50 : 16,441.56 = 6,609.34 : x
  2. Step 2: Convert to fraction form
    11,913.50/16,441.56 = 6,609.34/x
  3. Step 3: Cross multiply
    11,913.50x = 16,441.56 × 6,609.34
  4. Step 4: Simplify right side
    11,913.50x = 108,667,860.17
  5. Step 5: Solve for x
    x = 108,667,860.17/11,913.50
  6. Step 6: Final answer
    x = 9,121.41

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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.