Home / 11,735.85-16,195.21-6,430.55

Finding the Fourth Proportional to 11,735.85, 16,195.21 and 6,430.55

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Solution

The fourth proportional to 11,735.85, 16,195.21 and 6,430.55 is: 8,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.85 : 16,195.21 = 6,430.55 : x
  2. Step 2: Convert to fraction form
    11,735.85/16,195.21 = 6,430.55/x
  3. Step 3: Cross multiply
    11,735.85x = 16,195.21 × 6,430.55
  4. Step 4: Simplify right side
    11,735.85x = 104,144,107.67
  5. Step 5: Solve for x
    x = 104,144,107.67/11,735.85
  6. Step 6: Final answer
    x = 8,874.01

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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.