Home / 11,290.05-16,928.94-8,965.02

Finding the Fourth Proportional to 11,290.05, 16,928.94 and 8,965.02

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Solution

The fourth proportional to 11,290.05, 16,928.94 and 8,965.02 is: 13,442.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.05 : 16,928.94 = 8,965.02 : x
  2. Step 2: Convert to fraction form
    11,290.05/16,928.94 = 8,965.02/x
  3. Step 3: Cross multiply
    11,290.05x = 16,928.94 × 8,965.02
  4. Step 4: Simplify right side
    11,290.05x = 151,768,285.68
  5. Step 5: Solve for x
    x = 151,768,285.68/11,290.05
  6. Step 6: Final answer
    x = 13,442.66

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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.