Home / 11,238.88-16,858.32-4,660.60

Finding the Fourth Proportional to 11,238.88, 16,858.32 and 4,660.60

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Solution

The fourth proportional to 11,238.88, 16,858.32 and 4,660.60 is: 6,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.88 : 16,858.32 = 4,660.60 : x
  2. Step 2: Convert to fraction form
    11,238.88/16,858.32 = 4,660.60/x
  3. Step 3: Cross multiply
    11,238.88x = 16,858.32 × 4,660.60
  4. Step 4: Simplify right side
    11,238.88x = 78,569,886.19
  5. Step 5: Solve for x
    x = 78,569,886.19/11,238.88
  6. Step 6: Final answer
    x = 6,990.90

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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.