Home / 19,427.36-29,140.83-6,279.44

Finding the Fourth Proportional to 19,427.36, 29,140.83 and 6,279.44

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Solution

The fourth proportional to 19,427.36, 29,140.83 and 6,279.44 is: 9,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.36 : 29,140.83 = 6,279.44 : x
  2. Step 2: Convert to fraction form
    19,427.36/29,140.83 = 6,279.44/x
  3. Step 3: Cross multiply
    19,427.36x = 29,140.83 × 6,279.44
  4. Step 4: Simplify right side
    19,427.36x = 182,987,947.83
  5. Step 5: Solve for x
    x = 182,987,947.83/19,427.36
  6. Step 6: Final answer
    x = 9,419.09

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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.