Home / 11,408.75-15,744.41-6,373.18

Finding the Fourth Proportional to 11,408.75, 15,744.41 and 6,373.18

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Solution

The fourth proportional to 11,408.75, 15,744.41 and 6,373.18 is: 8,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.75 : 15,744.41 = 6,373.18 : x
  2. Step 2: Convert to fraction form
    11,408.75/15,744.41 = 6,373.18/x
  3. Step 3: Cross multiply
    11,408.75x = 15,744.41 × 6,373.18
  4. Step 4: Simplify right side
    11,408.75x = 100,342,014.22
  5. Step 5: Solve for x
    x = 100,342,014.22/11,408.75
  6. Step 6: Final answer
    x = 8,795.18

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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.