Home / 12,515.74-17,271.06-6,849.38

Finding the Fourth Proportional to 12,515.74, 17,271.06 and 6,849.38

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Solution

The fourth proportional to 12,515.74, 17,271.06 and 6,849.38 is: 9,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.74 : 17,271.06 = 6,849.38 : x
  2. Step 2: Convert to fraction form
    12,515.74/17,271.06 = 6,849.38/x
  3. Step 3: Cross multiply
    12,515.74x = 17,271.06 × 6,849.38
  4. Step 4: Simplify right side
    12,515.74x = 118,296,052.94
  5. Step 5: Solve for x
    x = 118,296,052.94/12,515.74
  6. Step 6: Final answer
    x = 9,451.78

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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.