Home / 15,408.45-23,112.62-3,721.67

Finding the Fourth Proportional to 15,408.45, 23,112.62 and 3,721.67

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Solution

The fourth proportional to 15,408.45, 23,112.62 and 3,721.67 is: 5,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.45 : 23,112.62 = 3,721.67 : x
  2. Step 2: Convert to fraction form
    15,408.45/23,112.62 = 3,721.67/x
  3. Step 3: Cross multiply
    15,408.45x = 23,112.62 × 3,721.67
  4. Step 4: Simplify right side
    15,408.45x = 86,017,544.48
  5. Step 5: Solve for x
    x = 86,017,544.48/15,408.45
  6. Step 6: Final answer
    x = 5,582.49

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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.