Home / 11,103.75-15,323.18-6,135.75

Finding the Fourth Proportional to 11,103.75, 15,323.18 and 6,135.75

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Solution

The fourth proportional to 11,103.75, 15,323.18 and 6,135.75 is: 8,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.75 : 15,323.18 = 6,135.75 : x
  2. Step 2: Convert to fraction form
    11,103.75/15,323.18 = 6,135.75/x
  3. Step 3: Cross multiply
    11,103.75x = 15,323.18 × 6,135.75
  4. Step 4: Simplify right side
    11,103.75x = 94,019,171.01
  5. Step 5: Solve for x
    x = 94,019,171.01/11,103.75
  6. Step 6: Final answer
    x = 8,467.34

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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.