Home / 18,935.20-26,132.52-11,383.99

Finding the Fourth Proportional to 18,935.20, 26,132.52 and 11,383.99

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Solution

The fourth proportional to 18,935.20, 26,132.52 and 11,383.99 is: 15,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.20 : 26,132.52 = 11,383.99 : x
  2. Step 2: Convert to fraction form
    18,935.20/26,132.52 = 11,383.99/x
  3. Step 3: Cross multiply
    18,935.20x = 26,132.52 × 11,383.99
  4. Step 4: Simplify right side
    18,935.20x = 297,492,346.35
  5. Step 5: Solve for x
    x = 297,492,346.35/18,935.20
  6. Step 6: Final answer
    x = 15,711.07

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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.