Home / 19,672.44-27,149.31-12,018.99

Finding the Fourth Proportional to 19,672.44, 27,149.31 and 12,018.99

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Solution

The fourth proportional to 19,672.44, 27,149.31 and 12,018.99 is: 16,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.44 : 27,149.31 = 12,018.99 : x
  2. Step 2: Convert to fraction form
    19,672.44/27,149.31 = 12,018.99/x
  3. Step 3: Cross multiply
    19,672.44x = 27,149.31 × 12,018.99
  4. Step 4: Simplify right side
    19,672.44x = 326,307,285.40
  5. Step 5: Solve for x
    x = 326,307,285.40/19,672.44
  6. Step 6: Final answer
    x = 16,587.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.