Home / 9,103.72-13,657.66-3,911.08

Finding the Fourth Proportional to 9,103.72, 13,657.66 and 3,911.08

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Solution

The fourth proportional to 9,103.72, 13,657.66 and 3,911.08 is: 5,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.72 : 13,657.66 = 3,911.08 : x
  2. Step 2: Convert to fraction form
    9,103.72/13,657.66 = 3,911.08/x
  3. Step 3: Cross multiply
    9,103.72x = 13,657.66 × 3,911.08
  4. Step 4: Simplify right side
    9,103.72x = 53,416,200.87
  5. Step 5: Solve for x
    x = 53,416,200.87/9,103.72
  6. Step 6: Final answer
    x = 5,867.51

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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.