Home / 19,118.49-28,676.97-6,641.37

Finding the Fourth Proportional to 19,118.49, 28,676.97 and 6,641.37

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Solution

The fourth proportional to 19,118.49, 28,676.97 and 6,641.37 is: 9,961.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.49 : 28,676.97 = 6,641.37 : x
  2. Step 2: Convert to fraction form
    19,118.49/28,676.97 = 6,641.37/x
  3. Step 3: Cross multiply
    19,118.49x = 28,676.97 × 6,641.37
  4. Step 4: Simplify right side
    19,118.49x = 190,454,368.25
  5. Step 5: Solve for x
    x = 190,454,368.25/19,118.49
  6. Step 6: Final answer
    x = 9,961.79

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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.