Home / 12,163.06-18,211.69-6,307.36

Finding the Fourth Proportional to 12,163.06, 18,211.69 and 6,307.36

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Solution

The fourth proportional to 12,163.06, 18,211.69 and 6,307.36 is: 9,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.06 : 18,211.69 = 6,307.36 : x
  2. Step 2: Convert to fraction form
    12,163.06/18,211.69 = 6,307.36/x
  3. Step 3: Cross multiply
    12,163.06x = 18,211.69 × 6,307.36
  4. Step 4: Simplify right side
    12,163.06x = 114,867,685.04
  5. Step 5: Solve for x
    x = 114,867,685.04/12,163.06
  6. Step 6: Final answer
    x = 9,443.98

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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.