Home / 9,162.85-13,744.23-3,318.09

Finding the Fourth Proportional to 9,162.85, 13,744.23 and 3,318.09

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Solution

The fourth proportional to 9,162.85, 13,744.23 and 3,318.09 is: 4,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.85 : 13,744.23 = 3,318.09 : x
  2. Step 2: Convert to fraction form
    9,162.85/13,744.23 = 3,318.09/x
  3. Step 3: Cross multiply
    9,162.85x = 13,744.23 × 3,318.09
  4. Step 4: Simplify right side
    9,162.85x = 45,604,523.40
  5. Step 5: Solve for x
    x = 45,604,523.40/9,162.85
  6. Step 6: Final answer
    x = 4,977.11

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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.