Home / 18,822.54-25,961.31-13,522.80

Finding the Fourth Proportional to 18,822.54, 25,961.31 and 13,522.80

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Solution

The fourth proportional to 18,822.54, 25,961.31 and 13,522.80 is: 18,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.54 : 25,961.31 = 13,522.80 : x
  2. Step 2: Convert to fraction form
    18,822.54/25,961.31 = 13,522.80/x
  3. Step 3: Cross multiply
    18,822.54x = 25,961.31 × 13,522.80
  4. Step 4: Simplify right side
    18,822.54x = 351,069,602.87
  5. Step 5: Solve for x
    x = 351,069,602.87/18,822.54
  6. Step 6: Final answer
    x = 18,651.55

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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.