Home / 12,774.14-19,164.08-3,890.26

Finding the Fourth Proportional to 12,774.14, 19,164.08 and 3,890.26

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Solution

The fourth proportional to 12,774.14, 19,164.08 and 3,890.26 is: 5,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.14 : 19,164.08 = 3,890.26 : x
  2. Step 2: Convert to fraction form
    12,774.14/19,164.08 = 3,890.26/x
  3. Step 3: Cross multiply
    12,774.14x = 19,164.08 × 3,890.26
  4. Step 4: Simplify right side
    12,774.14x = 74,553,215.68
  5. Step 5: Solve for x
    x = 74,553,215.68/12,774.14
  6. Step 6: Final answer
    x = 5,836.26

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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.