Home / 12,266.35-18,392.59-4,257.36

Finding the Fourth Proportional to 12,266.35, 18,392.59 and 4,257.36

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Solution

The fourth proportional to 12,266.35, 18,392.59 and 4,257.36 is: 6,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.35 : 18,392.59 = 4,257.36 : x
  2. Step 2: Convert to fraction form
    12,266.35/18,392.59 = 4,257.36/x
  3. Step 3: Cross multiply
    12,266.35x = 18,392.59 × 4,257.36
  4. Step 4: Simplify right side
    12,266.35x = 78,303,785.00
  5. Step 5: Solve for x
    x = 78,303,785.00/12,266.35
  6. Step 6: Final answer
    x = 6,383.63

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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.