Home / 18,289.19-27,433.89-5,141.68

Finding the Fourth Proportional to 18,289.19, 27,433.89 and 5,141.68

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Solution

The fourth proportional to 18,289.19, 27,433.89 and 5,141.68 is: 7,712.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.19 : 27,433.89 = 5,141.68 : x
  2. Step 2: Convert to fraction form
    18,289.19/27,433.89 = 5,141.68/x
  3. Step 3: Cross multiply
    18,289.19x = 27,433.89 × 5,141.68
  4. Step 4: Simplify right side
    18,289.19x = 141,056,214.95
  5. Step 5: Solve for x
    x = 141,056,214.95/18,289.19
  6. Step 6: Final answer
    x = 7,712.54

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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.