Home / 13,845.43-20,758.08-5,522.95

Finding the Fourth Proportional to 13,845.43, 20,758.08 and 5,522.95

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Solution

The fourth proportional to 13,845.43, 20,758.08 and 5,522.95 is: 8,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.43 : 20,758.08 = 5,522.95 : x
  2. Step 2: Convert to fraction form
    13,845.43/20,758.08 = 5,522.95/x
  3. Step 3: Cross multiply
    13,845.43x = 20,758.08 × 5,522.95
  4. Step 4: Simplify right side
    13,845.43x = 114,645,837.94
  5. Step 5: Solve for x
    x = 114,645,837.94/13,845.43
  6. Step 6: Final answer
    x = 8,280.41

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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.