Home / 11,290.79-16,930.42-6,611.83

Finding the Fourth Proportional to 11,290.79, 16,930.42 and 6,611.83

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Solution

The fourth proportional to 11,290.79, 16,930.42 and 6,611.83 is: 9,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.79 : 16,930.42 = 6,611.83 : x
  2. Step 2: Convert to fraction form
    11,290.79/16,930.42 = 6,611.83/x
  3. Step 3: Cross multiply
    11,290.79x = 16,930.42 × 6,611.83
  4. Step 4: Simplify right side
    11,290.79x = 111,941,000.01
  5. Step 5: Solve for x
    x = 111,941,000.01/11,290.79
  6. Step 6: Final answer
    x = 9,914.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.