Home / 18,977.57-26,192.49-11,321.34

Finding the Fourth Proportional to 18,977.57, 26,192.49 and 11,321.34

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Solution

The fourth proportional to 18,977.57, 26,192.49 and 11,321.34 is: 15,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.57 : 26,192.49 = 11,321.34 : x
  2. Step 2: Convert to fraction form
    18,977.57/26,192.49 = 11,321.34/x
  3. Step 3: Cross multiply
    18,977.57x = 26,192.49 × 11,321.34
  4. Step 4: Simplify right side
    18,977.57x = 296,534,196.90
  5. Step 5: Solve for x
    x = 296,534,196.90/18,977.57
  6. Step 6: Final answer
    x = 15,625.51

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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.