Home / 18,401.85-27,603.23-6,715.07

Finding the Fourth Proportional to 18,401.85, 27,603.23 and 6,715.07

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Solution

The fourth proportional to 18,401.85, 27,603.23 and 6,715.07 is: 10,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.85 : 27,603.23 = 6,715.07 : x
  2. Step 2: Convert to fraction form
    18,401.85/27,603.23 = 6,715.07/x
  3. Step 3: Cross multiply
    18,401.85x = 27,603.23 × 6,715.07
  4. Step 4: Simplify right side
    18,401.85x = 185,357,450.08
  5. Step 5: Solve for x
    x = 185,357,450.08/18,401.85
  6. Step 6: Final answer
    x = 10,072.76

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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.