Home / 13,745.88-20,619.93-3,885.24

Finding the Fourth Proportional to 13,745.88, 20,619.93 and 3,885.24

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Solution

The fourth proportional to 13,745.88, 20,619.93 and 3,885.24 is: 5,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745.88 : 20,619.93 = 3,885.24 : x
  2. Step 2: Convert to fraction form
    13,745.88/20,619.93 = 3,885.24/x
  3. Step 3: Cross multiply
    13,745.88x = 20,619.93 × 3,885.24
  4. Step 4: Simplify right side
    13,745.88x = 80,113,376.83
  5. Step 5: Solve for x
    x = 80,113,376.83/13,745.88
  6. Step 6: Final answer
    x = 5,828.17

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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.