Home / 12,256.24-16,915.36-6,879.25

Finding the Fourth Proportional to 12,256.24, 16,915.36 and 6,879.25

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Solution

The fourth proportional to 12,256.24, 16,915.36 and 6,879.25 is: 9,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.24 : 16,915.36 = 6,879.25 : x
  2. Step 2: Convert to fraction form
    12,256.24/16,915.36 = 6,879.25/x
  3. Step 3: Cross multiply
    12,256.24x = 16,915.36 × 6,879.25
  4. Step 4: Simplify right side
    12,256.24x = 116,364,990.28
  5. Step 5: Solve for x
    x = 116,364,990.28/12,256.24
  6. Step 6: Final answer
    x = 9,494.35

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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.