Home / 12,256.36-16,915.53-6,879.37

Finding the Fourth Proportional to 12,256.36, 16,915.53 and 6,879.37

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Solution

The fourth proportional to 12,256.36, 16,915.53 and 6,879.37 is: 9,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.36 : 16,915.53 = 6,879.37 : x
  2. Step 2: Convert to fraction form
    12,256.36/16,915.53 = 6,879.37/x
  3. Step 3: Cross multiply
    12,256.36x = 16,915.53 × 6,879.37
  4. Step 4: Simplify right side
    12,256.36x = 116,368,189.62
  5. Step 5: Solve for x
    x = 116,368,189.62/12,256.36
  6. Step 6: Final answer
    x = 9,494.51

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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.