Home / 13,738.94-20,594.56-5,415.73

Finding the Fourth Proportional to 13,738.94, 20,594.56 and 5,415.73

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Solution

The fourth proportional to 13,738.94, 20,594.56 and 5,415.73 is: 8,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.94 : 20,594.56 = 5,415.73 : x
  2. Step 2: Convert to fraction form
    13,738.94/20,594.56 = 5,415.73/x
  3. Step 3: Cross multiply
    13,738.94x = 20,594.56 × 5,415.73
  4. Step 4: Simplify right side
    13,738.94x = 111,534,588.63
  5. Step 5: Solve for x
    x = 111,534,588.63/13,738.94
  6. Step 6: Final answer
    x = 8,118.14

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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.