Home / 9,091.90-12,553.05-6,963.67

Finding the Fourth Proportional to 9,091.90, 12,553.05 and 6,963.67

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Solution

The fourth proportional to 9,091.90, 12,553.05 and 6,963.67 is: 9,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.90 : 12,553.05 = 6,963.67 : x
  2. Step 2: Convert to fraction form
    9,091.90/12,553.05 = 6,963.67/x
  3. Step 3: Cross multiply
    9,091.90x = 12,553.05 × 6,963.67
  4. Step 4: Simplify right side
    9,091.90x = 87,415,297.69
  5. Step 5: Solve for x
    x = 87,415,297.69/9,091.90
  6. Step 6: Final answer
    x = 9,614.63

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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.