Home / 19,145.21-26,427.60-11,190.02

Finding the Fourth Proportional to 19,145.21, 26,427.60 and 11,190.02

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Solution

The fourth proportional to 19,145.21, 26,427.60 and 11,190.02 is: 15,446.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.21 : 26,427.60 = 11,190.02 : x
  2. Step 2: Convert to fraction form
    19,145.21/26,427.60 = 11,190.02/x
  3. Step 3: Cross multiply
    19,145.21x = 26,427.60 × 11,190.02
  4. Step 4: Simplify right side
    19,145.21x = 295,725,240.41
  5. Step 5: Solve for x
    x = 295,725,240.41/19,145.21
  6. Step 6: Final answer
    x = 15,446.44

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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.