Home / 19,371.70-26,745.73-14,887.30

Finding the Fourth Proportional to 19,371.70, 26,745.73 and 14,887.30

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Solution

The fourth proportional to 19,371.70, 26,745.73 and 14,887.30 is: 20,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.70 : 26,745.73 = 14,887.30 : x
  2. Step 2: Convert to fraction form
    19,371.70/26,745.73 = 14,887.30/x
  3. Step 3: Cross multiply
    19,371.70x = 26,745.73 × 14,887.30
  4. Step 4: Simplify right side
    19,371.70x = 398,171,706.23
  5. Step 5: Solve for x
    x = 398,171,706.23/19,371.70
  6. Step 6: Final answer
    x = 20,554.30

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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.