Home / 18,313.53-27,453.88-9,538.39

Finding the Fourth Proportional to 18,313.53, 27,453.88 and 9,538.39

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Solution

The fourth proportional to 18,313.53, 27,453.88 and 9,538.39 is: 14,299.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.53 : 27,453.88 = 9,538.39 : x
  2. Step 2: Convert to fraction form
    18,313.53/27,453.88 = 9,538.39/x
  3. Step 3: Cross multiply
    18,313.53x = 27,453.88 × 9,538.39
  4. Step 4: Simplify right side
    18,313.53x = 261,865,814.45
  5. Step 5: Solve for x
    x = 261,865,814.45/18,313.53
  6. Step 6: Final answer
    x = 14,299.04

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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.