Home / 18,313.20-27,450.54-17,439.84

Finding the Fourth Proportional to 18,313.20, 27,450.54 and 17,439.84

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Solution

The fourth proportional to 18,313.20, 27,450.54 and 17,439.84 is: 26,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.20 : 27,450.54 = 17,439.84 : x
  2. Step 2: Convert to fraction form
    18,313.20/27,450.54 = 17,439.84/x
  3. Step 3: Cross multiply
    18,313.20x = 27,450.54 × 17,439.84
  4. Step 4: Simplify right side
    18,313.20x = 478,733,025.51
  5. Step 5: Solve for x
    x = 478,733,025.51/18,313.20
  6. Step 6: Final answer
    x = 26,141.42

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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.