Home / 19,797.90-27,321.33-10,845.78

Finding the Fourth Proportional to 19,797.90, 27,321.33 and 10,845.78

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Solution

The fourth proportional to 19,797.90, 27,321.33 and 10,845.78 is: 14,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.90 : 27,321.33 = 10,845.78 : x
  2. Step 2: Convert to fraction form
    19,797.90/27,321.33 = 10,845.78/x
  3. Step 3: Cross multiply
    19,797.90x = 27,321.33 × 10,845.78
  4. Step 4: Simplify right side
    19,797.90x = 296,321,072.70
  5. Step 5: Solve for x
    x = 296,321,072.70/19,797.90
  6. Step 6: Final answer
    x = 14,967.30

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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.