Home / 11,027.36-15,216.48-6,311.36

Finding the Fourth Proportional to 11,027.36, 15,216.48 and 6,311.36

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Solution

The fourth proportional to 11,027.36, 15,216.48 and 6,311.36 is: 8,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.36 : 15,216.48 = 6,311.36 : x
  2. Step 2: Convert to fraction form
    11,027.36/15,216.48 = 6,311.36/x
  3. Step 3: Cross multiply
    11,027.36x = 15,216.48 × 6,311.36
  4. Step 4: Simplify right side
    11,027.36x = 96,036,683.21
  5. Step 5: Solve for x
    x = 96,036,683.21/11,027.36
  6. Step 6: Final answer
    x = 8,708.95

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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.