Home / 11,081.44-16,603.35-6,689.67

Finding the Fourth Proportional to 11,081.44, 16,603.35 and 6,689.67

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Solution

The fourth proportional to 11,081.44, 16,603.35 and 6,689.67 is: 10,023.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.44 : 16,603.35 = 6,689.67 : x
  2. Step 2: Convert to fraction form
    11,081.44/16,603.35 = 6,689.67/x
  3. Step 3: Cross multiply
    11,081.44x = 16,603.35 × 6,689.67
  4. Step 4: Simplify right side
    11,081.44x = 111,070,932.39
  5. Step 5: Solve for x
    x = 111,070,932.39/11,081.44
  6. Step 6: Final answer
    x = 10,023.15

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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.