Home / 13,993.08-20,991.85-4,633.44

Finding the Fourth Proportional to 13,993.08, 20,991.85 and 4,633.44

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Solution

The fourth proportional to 13,993.08, 20,991.85 and 4,633.44 is: 6,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.08 : 20,991.85 = 4,633.44 : x
  2. Step 2: Convert to fraction form
    13,993.08/20,991.85 = 4,633.44/x
  3. Step 3: Cross multiply
    13,993.08x = 20,991.85 × 4,633.44
  4. Step 4: Simplify right side
    13,993.08x = 97,264,465.88
  5. Step 5: Solve for x
    x = 97,264,465.88/13,993.08
  6. Step 6: Final answer
    x = 6,950.90

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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.