Home / 18,021.24-26,983.26-11,765.76

Finding the Fourth Proportional to 18,021.24, 26,983.26 and 11,765.76

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Solution

The fourth proportional to 18,021.24, 26,983.26 and 11,765.76 is: 17,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.24 : 26,983.26 = 11,765.76 : x
  2. Step 2: Convert to fraction form
    18,021.24/26,983.26 = 11,765.76/x
  3. Step 3: Cross multiply
    18,021.24x = 26,983.26 × 11,765.76
  4. Step 4: Simplify right side
    18,021.24x = 317,478,561.18
  5. Step 5: Solve for x
    x = 317,478,561.18/18,021.24
  6. Step 6: Final answer
    x = 17,616.91

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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.