Home / 19,826.78-29,738.14-6,679.26

Finding the Fourth Proportional to 19,826.78, 29,738.14 and 6,679.26

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Solution

The fourth proportional to 19,826.78, 29,738.14 and 6,679.26 is: 10,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.78 : 29,738.14 = 6,679.26 : x
  2. Step 2: Convert to fraction form
    19,826.78/29,738.14 = 6,679.26/x
  3. Step 3: Cross multiply
    19,826.78x = 29,738.14 × 6,679.26
  4. Step 4: Simplify right side
    19,826.78x = 198,628,752.28
  5. Step 5: Solve for x
    x = 198,628,752.28/19,826.78
  6. Step 6: Final answer
    x = 10,018.21

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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.