Home / 12,515.61-17,271.60-6,850.26

Finding the Fourth Proportional to 12,515.61, 17,271.60 and 6,850.26

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Solution

The fourth proportional to 12,515.61, 17,271.60 and 6,850.26 is: 9,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.61 : 17,271.60 = 6,850.26 : x
  2. Step 2: Convert to fraction form
    12,515.61/17,271.60 = 6,850.26/x
  3. Step 3: Cross multiply
    12,515.61x = 17,271.60 × 6,850.26
  4. Step 4: Simplify right side
    12,515.61x = 118,314,950.62
  5. Step 5: Solve for x
    x = 118,314,950.62/12,515.61
  6. Step 6: Final answer
    x = 9,453.39

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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.