Home / 18,292.45-27,438.77-5,144.93

Finding the Fourth Proportional to 18,292.45, 27,438.77 and 5,144.93

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Solution

The fourth proportional to 18,292.45, 27,438.77 and 5,144.93 is: 7,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.45 : 27,438.77 = 5,144.93 : x
  2. Step 2: Convert to fraction form
    18,292.45/27,438.77 = 5,144.93/x
  3. Step 3: Cross multiply
    18,292.45x = 27,438.77 × 5,144.93
  4. Step 4: Simplify right side
    18,292.45x = 141,170,525.21
  5. Step 5: Solve for x
    x = 141,170,525.21/18,292.45
  6. Step 6: Final answer
    x = 7,717.42

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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.