Home / 18,517.86-25,548.30-10,554.33

Finding the Fourth Proportional to 18,517.86, 25,548.30 and 10,554.33

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Solution

The fourth proportional to 18,517.86, 25,548.30 and 10,554.33 is: 14,561.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.86 : 25,548.30 = 10,554.33 : x
  2. Step 2: Convert to fraction form
    18,517.86/25,548.30 = 10,554.33/x
  3. Step 3: Cross multiply
    18,517.86x = 25,548.30 × 10,554.33
  4. Step 4: Simplify right side
    18,517.86x = 269,645,189.14
  5. Step 5: Solve for x
    x = 269,645,189.14/18,517.86
  6. Step 6: Final answer
    x = 14,561.36

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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.