Home / 20,212.24-30,262.38-10,330.24

Finding the Fourth Proportional to 20,212.24, 30,262.38 and 10,330.24

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Solution

The fourth proportional to 20,212.24, 30,262.38 and 10,330.24 is: 15,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212.24 : 30,262.38 = 10,330.24 : x
  2. Step 2: Convert to fraction form
    20,212.24/30,262.38 = 10,330.24/x
  3. Step 3: Cross multiply
    20,212.24x = 30,262.38 × 10,330.24
  4. Step 4: Simplify right side
    20,212.24x = 312,617,648.37
  5. Step 5: Solve for x
    x = 312,617,648.37/20,212.24
  6. Step 6: Final answer
    x = 15,466.75

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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.