Home / 19,850.21-27,393.72-10,898.09

Finding the Fourth Proportional to 19,850.21, 27,393.72 and 10,898.09

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Solution

The fourth proportional to 19,850.21, 27,393.72 and 10,898.09 is: 15,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.21 : 27,393.72 = 10,898.09 : x
  2. Step 2: Convert to fraction form
    19,850.21/27,393.72 = 10,898.09/x
  3. Step 3: Cross multiply
    19,850.21x = 27,393.72 × 10,898.09
  4. Step 4: Simplify right side
    19,850.21x = 298,539,089.03
  5. Step 5: Solve for x
    x = 298,539,089.03/19,850.21
  6. Step 6: Final answer
    x = 15,039.60

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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.