Home / 12,396.38-18,602.85-4,605.98

Finding the Fourth Proportional to 12,396.38, 18,602.85 and 4,605.98

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Solution

The fourth proportional to 12,396.38, 18,602.85 and 4,605.98 is: 6,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.38 : 18,602.85 = 4,605.98 : x
  2. Step 2: Convert to fraction form
    12,396.38/18,602.85 = 4,605.98/x
  3. Step 3: Cross multiply
    12,396.38x = 18,602.85 × 4,605.98
  4. Step 4: Simplify right side
    12,396.38x = 85,684,355.04
  5. Step 5: Solve for x
    x = 85,684,355.04/12,396.38
  6. Step 6: Final answer
    x = 6,912.05

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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.