Home / 11,408.75-15,744.42-6,373.19

Finding the Fourth Proportional to 11,408.75, 15,744.42 and 6,373.19

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Solution

The fourth proportional to 11,408.75, 15,744.42 and 6,373.19 is: 8,795.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.75 : 15,744.42 = 6,373.19 : x
  2. Step 2: Convert to fraction form
    11,408.75/15,744.42 = 6,373.19/x
  3. Step 3: Cross multiply
    11,408.75x = 15,744.42 × 6,373.19
  4. Step 4: Simplify right side
    11,408.75x = 100,342,069.51
  5. Step 5: Solve for x
    x = 100,342,069.51/11,408.75
  6. Step 6: Final answer
    x = 8,795.19

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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.