Home / 17,383.87-23,983.45-11,418.76

Finding the Fourth Proportional to 17,383.87, 23,983.45 and 11,418.76

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Solution

The fourth proportional to 17,383.87, 23,983.45 and 11,418.76 is: 15,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,383.87 : 23,983.45 = 11,418.76 : x
  2. Step 2: Convert to fraction form
    17,383.87/23,983.45 = 11,418.76/x
  3. Step 3: Cross multiply
    17,383.87x = 23,983.45 × 11,418.76
  4. Step 4: Simplify right side
    17,383.87x = 273,861,259.52
  5. Step 5: Solve for x
    x = 273,861,259.52/17,383.87
  6. Step 6: Final answer
    x = 15,753.76

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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.