Home / 12,839.08-19,252.14-6,255.40

Finding the Fourth Proportional to 12,839.08, 19,252.14 and 6,255.40

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Solution

The fourth proportional to 12,839.08, 19,252.14 and 6,255.40 is: 9,379.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839.08 : 19,252.14 = 6,255.40 : x
  2. Step 2: Convert to fraction form
    12,839.08/19,252.14 = 6,255.40/x
  3. Step 3: Cross multiply
    12,839.08x = 19,252.14 × 6,255.40
  4. Step 4: Simplify right side
    12,839.08x = 120,429,836.56
  5. Step 5: Solve for x
    x = 120,429,836.56/12,839.08
  6. Step 6: Final answer
    x = 9,379.94

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1.5x scale

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.