Home / 18,987.44-26,202.56-10,603.94

Finding the Fourth Proportional to 18,987.44, 26,202.56 and 10,603.94

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Solution

The fourth proportional to 18,987.44, 26,202.56 and 10,603.94 is: 14,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,987.44 : 26,202.56 = 10,603.94 : x
  2. Step 2: Convert to fraction form
    18,987.44/26,202.56 = 10,603.94/x
  3. Step 3: Cross multiply
    18,987.44x = 26,202.56 × 10,603.94
  4. Step 4: Simplify right side
    18,987.44x = 277,850,374.09
  5. Step 5: Solve for x
    x = 277,850,374.09/18,987.44
  6. Step 6: Final answer
    x = 14,633.38

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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.