Home / 12,344.49-18,519.57-3,580.11

Finding the Fourth Proportional to 12,344.49, 18,519.57 and 3,580.11

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Solution

The fourth proportional to 12,344.49, 18,519.57 and 3,580.11 is: 5,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.49 : 18,519.57 = 3,580.11 : x
  2. Step 2: Convert to fraction form
    12,344.49/18,519.57 = 3,580.11/x
  3. Step 3: Cross multiply
    12,344.49x = 18,519.57 × 3,580.11
  4. Step 4: Simplify right side
    12,344.49x = 66,302,097.75
  5. Step 5: Solve for x
    x = 66,302,097.75/12,344.49
  6. Step 6: Final answer
    x = 5,370.99

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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.