Home / 12,996.90-19,483.38-4,227.30

Finding the Fourth Proportional to 12,996.90, 19,483.38 and 4,227.30

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Solution

The fourth proportional to 12,996.90, 19,483.38 and 4,227.30 is: 6,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.90 : 19,483.38 = 4,227.30 : x
  2. Step 2: Convert to fraction form
    12,996.90/19,483.38 = 4,227.30/x
  3. Step 3: Cross multiply
    12,996.90x = 19,483.38 × 4,227.30
  4. Step 4: Simplify right side
    12,996.90x = 82,362,092.27
  5. Step 5: Solve for x
    x = 82,362,092.27/12,996.90
  6. Step 6: Final answer
    x = 6,337.06

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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.