Home / 18,440.55-25,450.25-11,268.99

Finding the Fourth Proportional to 18,440.55, 25,450.25 and 11,268.99

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Solution

The fourth proportional to 18,440.55, 25,450.25 and 11,268.99 is: 15,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.55 : 25,450.25 = 11,268.99 : x
  2. Step 2: Convert to fraction form
    18,440.55/25,450.25 = 11,268.99/x
  3. Step 3: Cross multiply
    18,440.55x = 25,450.25 × 11,268.99
  4. Step 4: Simplify right side
    18,440.55x = 286,798,556.40
  5. Step 5: Solve for x
    x = 286,798,556.40/18,440.55
  6. Step 6: Final answer
    x = 15,552.60

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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.