Home / 19,220.96-28,835.34-8,127.63

Finding the Fourth Proportional to 19,220.96, 28,835.34 and 8,127.63

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Solution

The fourth proportional to 19,220.96, 28,835.34 and 8,127.63 is: 12,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.96 : 28,835.34 = 8,127.63 : x
  2. Step 2: Convert to fraction form
    19,220.96/28,835.34 = 8,127.63/x
  3. Step 3: Cross multiply
    19,220.96x = 28,835.34 × 8,127.63
  4. Step 4: Simplify right side
    19,220.96x = 234,362,974.44
  5. Step 5: Solve for x
    x = 234,362,974.44/19,220.96
  6. Step 6: Final answer
    x = 12,193.09

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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.