Home / 18,144.86-25,042.61-11,075.38

Finding the Fourth Proportional to 18,144.86, 25,042.61 and 11,075.38

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Solution

The fourth proportional to 18,144.86, 25,042.61 and 11,075.38 is: 15,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.86 : 25,042.61 = 11,075.38 : x
  2. Step 2: Convert to fraction form
    18,144.86/25,042.61 = 11,075.38/x
  3. Step 3: Cross multiply
    18,144.86x = 25,042.61 × 11,075.38
  4. Step 4: Simplify right side
    18,144.86x = 277,356,387.02
  5. Step 5: Solve for x
    x = 277,356,387.02/18,144.86
  6. Step 6: Final answer
    x = 15,285.68

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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.