Home / 18,021.06-24,846.57-13,777.38

Finding the Fourth Proportional to 18,021.06, 24,846.57 and 13,777.38

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Solution

The fourth proportional to 18,021.06, 24,846.57 and 13,777.38 is: 18,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.06 : 24,846.57 = 13,777.38 : x
  2. Step 2: Convert to fraction form
    18,021.06/24,846.57 = 13,777.38/x
  3. Step 3: Cross multiply
    18,021.06x = 24,846.57 × 13,777.38
  4. Step 4: Simplify right side
    18,021.06x = 342,320,636.59
  5. Step 5: Solve for x
    x = 342,320,636.59/18,021.06
  6. Step 6: Final answer
    x = 18,995.59

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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.