Home / 12,436.04-18,651.63-3,668.60

Finding the Fourth Proportional to 12,436.04, 18,651.63 and 3,668.60

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Solution

The fourth proportional to 12,436.04, 18,651.63 and 3,668.60 is: 5,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.04 : 18,651.63 = 3,668.60 : x
  2. Step 2: Convert to fraction form
    12,436.04/18,651.63 = 3,668.60/x
  3. Step 3: Cross multiply
    12,436.04x = 18,651.63 × 3,668.60
  4. Step 4: Simplify right side
    12,436.04x = 68,425,416.45
  5. Step 5: Solve for x
    x = 68,425,416.45/12,436.04
  6. Step 6: Final answer
    x = 5,502.19

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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.