Home / 9,144.21-13,716.32-2,570.40

Finding the Fourth Proportional to 9,144.21, 13,716.32 and 2,570.40

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Solution

The fourth proportional to 9,144.21, 13,716.32 and 2,570.40 is: 3,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.21 : 13,716.32 = 2,570.40 : x
  2. Step 2: Convert to fraction form
    9,144.21/13,716.32 = 2,570.40/x
  3. Step 3: Cross multiply
    9,144.21x = 13,716.32 × 2,570.40
  4. Step 4: Simplify right side
    9,144.21x = 35,256,418.75
  5. Step 5: Solve for x
    x = 35,256,418.75/9,144.21
  6. Step 6: Final answer
    x = 3,855.60

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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.