Home / 12,344.49-18,518.66-4,022.57

Finding the Fourth Proportional to 12,344.49, 18,518.66 and 4,022.57

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Solution

The fourth proportional to 12,344.49, 18,518.66 and 4,022.57 is: 6,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.49 : 18,518.66 = 4,022.57 : x
  2. Step 2: Convert to fraction form
    12,344.49/18,518.66 = 4,022.57/x
  3. Step 3: Cross multiply
    12,344.49x = 18,518.66 × 4,022.57
  4. Step 4: Simplify right side
    12,344.49x = 74,492,647.42
  5. Step 5: Solve for x
    x = 74,492,647.42/12,344.49
  6. Step 6: Final answer
    x = 6,034.49

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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.