Home / 20,323.43-30,477.48-6,992.65

Finding the Fourth Proportional to 20,323.43, 30,477.48 and 6,992.65

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Solution

The fourth proportional to 20,323.43, 30,477.48 and 6,992.65 is: 10,486.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.43 : 30,477.48 = 6,992.65 : x
  2. Step 2: Convert to fraction form
    20,323.43/30,477.48 = 6,992.65/x
  3. Step 3: Cross multiply
    20,323.43x = 30,477.48 × 6,992.65
  4. Step 4: Simplify right side
    20,323.43x = 213,118,350.52
  5. Step 5: Solve for x
    x = 213,118,350.52/20,323.43
  6. Step 6: Final answer
    x = 10,486.34

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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.