Home / 18,522.37-27,755.49-12,259.95

Finding the Fourth Proportional to 18,522.37, 27,755.49 and 12,259.95

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Solution

The fourth proportional to 18,522.37, 27,755.49 and 12,259.95 is: 18,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.37 : 27,755.49 = 12,259.95 : x
  2. Step 2: Convert to fraction form
    18,522.37/27,755.49 = 12,259.95/x
  3. Step 3: Cross multiply
    18,522.37x = 27,755.49 × 12,259.95
  4. Step 4: Simplify right side
    18,522.37x = 340,280,919.63
  5. Step 5: Solve for x
    x = 340,280,919.63/18,522.37
  6. Step 6: Final answer
    x = 18,371.35

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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.