Home / 13,606.49-18,773.70-8,299.37

Finding the Fourth Proportional to 13,606.49, 18,773.70 and 8,299.37

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Solution

The fourth proportional to 13,606.49, 18,773.70 and 8,299.37 is: 11,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.49 : 18,773.70 = 8,299.37 : x
  2. Step 2: Convert to fraction form
    13,606.49/18,773.70 = 8,299.37/x
  3. Step 3: Cross multiply
    13,606.49x = 18,773.70 × 8,299.37
  4. Step 4: Simplify right side
    13,606.49x = 155,809,882.57
  5. Step 5: Solve for x
    x = 155,809,882.57/13,606.49
  6. Step 6: Final answer
    x = 11,451.14

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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.