Home / 13,766.63-20,635.70-5,443.25

Finding the Fourth Proportional to 13,766.63, 20,635.70 and 5,443.25

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Solution

The fourth proportional to 13,766.63, 20,635.70 and 5,443.25 is: 8,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.63 : 20,635.70 = 5,443.25 : x
  2. Step 2: Convert to fraction form
    13,766.63/20,635.70 = 5,443.25/x
  3. Step 3: Cross multiply
    13,766.63x = 20,635.70 × 5,443.25
  4. Step 4: Simplify right side
    13,766.63x = 112,325,143.63
  5. Step 5: Solve for x
    x = 112,325,143.63/13,766.63
  6. Step 6: Final answer
    x = 8,159.24

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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.