Home / 12,369.49-18,557.30-3,604.48

Finding the Fourth Proportional to 12,369.49, 18,557.30 and 3,604.48

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Solution

The fourth proportional to 12,369.49, 18,557.30 and 3,604.48 is: 5,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.49 : 18,557.30 = 3,604.48 : x
  2. Step 2: Convert to fraction form
    12,369.49/18,557.30 = 3,604.48/x
  3. Step 3: Cross multiply
    12,369.49x = 18,557.30 × 3,604.48
  4. Step 4: Simplify right side
    12,369.49x = 66,889,416.70
  5. Step 5: Solve for x
    x = 66,889,416.70/12,369.49
  6. Step 6: Final answer
    x = 5,407.61

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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.