Home / 18,021.46-27,032.19-5,708.50

Finding the Fourth Proportional to 18,021.46, 27,032.19 and 5,708.50

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Solution

The fourth proportional to 18,021.46, 27,032.19 and 5,708.50 is: 8,562.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.46 : 27,032.19 = 5,708.50 : x
  2. Step 2: Convert to fraction form
    18,021.46/27,032.19 = 5,708.50/x
  3. Step 3: Cross multiply
    18,021.46x = 27,032.19 × 5,708.50
  4. Step 4: Simplify right side
    18,021.46x = 154,313,256.62
  5. Step 5: Solve for x
    x = 154,313,256.62/18,021.46
  6. Step 6: Final answer
    x = 8,562.75

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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.