Home / 12,603.22-18,906.88-4,283.98

Finding the Fourth Proportional to 12,603.22, 18,906.88 and 4,283.98

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Solution

The fourth proportional to 12,603.22, 18,906.88 and 4,283.98 is: 6,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.22 : 18,906.88 = 4,283.98 : x
  2. Step 2: Convert to fraction form
    12,603.22/18,906.88 = 4,283.98/x
  3. Step 3: Cross multiply
    12,603.22x = 18,906.88 × 4,283.98
  4. Step 4: Simplify right side
    12,603.22x = 80,996,695.78
  5. Step 5: Solve for x
    x = 80,996,695.78/12,603.22
  6. Step 6: Final answer
    x = 6,426.67

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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.