Home / 13,768.24-20,744.93-12,453.48

Finding the Fourth Proportional to 13,768.24, 20,744.93 and 12,453.48

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Solution

The fourth proportional to 13,768.24, 20,744.93 and 12,453.48 is: 18,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.24 : 20,744.93 = 12,453.48 : x
  2. Step 2: Convert to fraction form
    13,768.24/20,744.93 = 12,453.48/x
  3. Step 3: Cross multiply
    13,768.24x = 20,744.93 × 12,453.48
  4. Step 4: Simplify right side
    13,768.24x = 258,346,570.86
  5. Step 5: Solve for x
    x = 258,346,570.86/13,768.24
  6. Step 6: Final answer
    x = 18,763.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.