Home / 18,794.80-28,185.54-5,642.92

Finding the Fourth Proportional to 18,794.80, 28,185.54 and 5,642.92

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Solution

The fourth proportional to 18,794.80, 28,185.54 and 5,642.92 is: 8,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.80 : 28,185.54 = 5,642.92 : x
  2. Step 2: Convert to fraction form
    18,794.80/28,185.54 = 5,642.92/x
  3. Step 3: Cross multiply
    18,794.80x = 28,185.54 × 5,642.92
  4. Step 4: Simplify right side
    18,794.80x = 159,048,747.38
  5. Step 5: Solve for x
    x = 159,048,747.38/18,794.80
  6. Step 6: Final answer
    x = 8,462.38

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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.