Home / 18,401.04-27,601.45-11,007.56

Finding the Fourth Proportional to 18,401.04, 27,601.45 and 11,007.56

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Solution

The fourth proportional to 18,401.04, 27,601.45 and 11,007.56 is: 16,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.04 : 27,601.45 = 11,007.56 : x
  2. Step 2: Convert to fraction form
    18,401.04/27,601.45 = 11,007.56/x
  3. Step 3: Cross multiply
    18,401.04x = 27,601.45 × 11,007.56
  4. Step 4: Simplify right side
    18,401.04x = 303,824,658.45
  5. Step 5: Solve for x
    x = 303,824,658.45/18,401.04
  6. Step 6: Final answer
    x = 16,511.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.