Home / 12,755.54-19,064.92-11,503.28

Finding the Fourth Proportional to 12,755.54, 19,064.92 and 11,503.28

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Solution

The fourth proportional to 12,755.54, 19,064.92 and 11,503.28 is: 17,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.54 : 19,064.92 = 11,503.28 : x
  2. Step 2: Convert to fraction form
    12,755.54/19,064.92 = 11,503.28/x
  3. Step 3: Cross multiply
    12,755.54x = 19,064.92 × 11,503.28
  4. Step 4: Simplify right side
    12,755.54x = 219,309,112.94
  5. Step 5: Solve for x
    x = 219,309,112.94/12,755.54
  6. Step 6: Final answer
    x = 17,193.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.