Home / 18,137.44-25,017.07-14,780.26

Finding the Fourth Proportional to 18,137.44, 25,017.07 and 14,780.26

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Solution

The fourth proportional to 18,137.44, 25,017.07 and 14,780.26 is: 20,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.44 : 25,017.07 = 14,780.26 : x
  2. Step 2: Convert to fraction form
    18,137.44/25,017.07 = 14,780.26/x
  3. Step 3: Cross multiply
    18,137.44x = 25,017.07 × 14,780.26
  4. Step 4: Simplify right side
    18,137.44x = 369,758,600.05
  5. Step 5: Solve for x
    x = 369,758,600.05/18,137.44
  6. Step 6: Final answer
    x = 20,386.49

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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.