Home / 13,400.26-18,493.46-7,433.85

Finding the Fourth Proportional to 13,400.26, 18,493.46 and 7,433.85

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Solution

The fourth proportional to 13,400.26, 18,493.46 and 7,433.85 is: 10,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.26 : 18,493.46 = 7,433.85 : x
  2. Step 2: Convert to fraction form
    13,400.26/18,493.46 = 7,433.85/x
  3. Step 3: Cross multiply
    13,400.26x = 18,493.46 × 7,433.85
  4. Step 4: Simplify right side
    13,400.26x = 137,477,626.21
  5. Step 5: Solve for x
    x = 137,477,626.21/13,400.26
  6. Step 6: Final answer
    x = 10,259.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.