Home / 18,741-25,862.58-11,290.44

Finding the Fourth Proportional to 18,741, 25,862.58 and 11,290.44

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Solution

The fourth proportional to 18,741, 25,862.58 and 11,290.44 is: 15,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741 : 25,862.58 = 11,290.44 : x
  2. Step 2: Convert to fraction form
    18,741/25,862.58 = 11,290.44/x
  3. Step 3: Cross multiply
    18,741x = 25,862.58 × 11,290.44
  4. Step 4: Simplify right side
    18,741x = 291,999,907.74
  5. Step 5: Solve for x
    x = 291,999,907.74/18,741
  6. Step 6: Final answer
    x = 15,580.81

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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.