Home / 19,451.03-26,844.80-12,738.33

Finding the Fourth Proportional to 19,451.03, 26,844.80 and 12,738.33

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Solution

The fourth proportional to 19,451.03, 26,844.80 and 12,738.33 is: 17,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.03 : 26,844.80 = 12,738.33 : x
  2. Step 2: Convert to fraction form
    19,451.03/26,844.80 = 12,738.33/x
  3. Step 3: Cross multiply
    19,451.03x = 26,844.80 × 12,738.33
  4. Step 4: Simplify right side
    19,451.03x = 341,957,857.49
  5. Step 5: Solve for x
    x = 341,957,857.49/19,451.03
  6. Step 6: Final answer
    x = 17,580.45

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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.