Home / 12,344.16-18,518.96-3,579.44

Finding the Fourth Proportional to 12,344.16, 18,518.96 and 3,579.44

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Solution

The fourth proportional to 12,344.16, 18,518.96 and 3,579.44 is: 5,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.16 : 18,518.96 = 3,579.44 : x
  2. Step 2: Convert to fraction form
    12,344.16/18,518.96 = 3,579.44/x
  3. Step 3: Cross multiply
    12,344.16x = 18,518.96 × 3,579.44
  4. Step 4: Simplify right side
    12,344.16x = 66,287,506.18
  5. Step 5: Solve for x
    x = 66,287,506.18/12,344.16
  6. Step 6: Final answer
    x = 5,369.95

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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.