Home / 13,313.27-18,372.00-7,344.94

Finding the Fourth Proportional to 13,313.27, 18,372.00 and 7,344.94

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Solution

The fourth proportional to 13,313.27, 18,372.00 and 7,344.94 is: 10,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.27 : 18,372.00 = 7,344.94 : x
  2. Step 2: Convert to fraction form
    13,313.27/18,372.00 = 7,344.94/x
  3. Step 3: Cross multiply
    13,313.27x = 18,372.00 × 7,344.94
  4. Step 4: Simplify right side
    13,313.27x = 134,941,183.99
  5. Step 5: Solve for x
    x = 134,941,183.99/13,313.27
  6. Step 6: Final answer
    x = 10,135.84

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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.