Home / 19,921.98-29,877.99-5,879.22

Finding the Fourth Proportional to 19,921.98, 29,877.99 and 5,879.22

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Solution

The fourth proportional to 19,921.98, 29,877.99 and 5,879.22 is: 8,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.98 : 29,877.99 = 5,879.22 : x
  2. Step 2: Convert to fraction form
    19,921.98/29,877.99 = 5,879.22/x
  3. Step 3: Cross multiply
    19,921.98x = 29,877.99 × 5,879.22
  4. Step 4: Simplify right side
    19,921.98x = 175,659,276.37
  5. Step 5: Solve for x
    x = 175,659,276.37/19,921.98
  6. Step 6: Final answer
    x = 8,817.36

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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.