Home / 13,453.72-18,591.73-10,090.69

Finding the Fourth Proportional to 13,453.72, 18,591.73 and 10,090.69

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Solution

The fourth proportional to 13,453.72, 18,591.73 and 10,090.69 is: 13,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.72 : 18,591.73 = 10,090.69 : x
  2. Step 2: Convert to fraction form
    13,453.72/18,591.73 = 10,090.69/x
  3. Step 3: Cross multiply
    13,453.72x = 18,591.73 × 10,090.69
  4. Step 4: Simplify right side
    13,453.72x = 187,603,383.99
  5. Step 5: Solve for x
    x = 187,603,383.99/13,453.72
  6. Step 6: Final answer
    x = 13,944.36

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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.