Home / 20,235.42-30,324.98-10,353.83

Finding the Fourth Proportional to 20,235.42, 30,324.98 and 10,353.83

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Solution

The fourth proportional to 20,235.42, 30,324.98 and 10,353.83 is: 15,516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.42 : 30,324.98 = 10,353.83 : x
  2. Step 2: Convert to fraction form
    20,235.42/30,324.98 = 10,353.83/x
  3. Step 3: Cross multiply
    20,235.42x = 30,324.98 × 10,353.83
  4. Step 4: Simplify right side
    20,235.42x = 313,979,561.93
  5. Step 5: Solve for x
    x = 313,979,561.93/20,235.42
  6. Step 6: Final answer
    x = 15,516.34

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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.