Home / 18,043.86-27,065.68-4,896.21

Finding the Fourth Proportional to 18,043.86, 27,065.68 and 4,896.21

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Solution

The fourth proportional to 18,043.86, 27,065.68 and 4,896.21 is: 7,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.86 : 27,065.68 = 4,896.21 : x
  2. Step 2: Convert to fraction form
    18,043.86/27,065.68 = 4,896.21/x
  3. Step 3: Cross multiply
    18,043.86x = 27,065.68 × 4,896.21
  4. Step 4: Simplify right side
    18,043.86x = 132,519,342.33
  5. Step 5: Solve for x
    x = 132,519,342.33/18,043.86
  6. Step 6: Final answer
    x = 7,344.29

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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.