Home / 12,515.52-17,271.16-6,850.14

Finding the Fourth Proportional to 12,515.52, 17,271.16 and 6,850.14

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Solution

The fourth proportional to 12,515.52, 17,271.16 and 6,850.14 is: 9,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.52 : 17,271.16 = 6,850.14 : x
  2. Step 2: Convert to fraction form
    12,515.52/17,271.16 = 6,850.14/x
  3. Step 3: Cross multiply
    12,515.52x = 17,271.16 × 6,850.14
  4. Step 4: Simplify right side
    12,515.52x = 118,309,782.07
  5. Step 5: Solve for x
    x = 118,309,782.07/12,515.52
  6. Step 6: Final answer
    x = 9,453.04

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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.