Home / 20,273.39-30,410.10-10,406.37

Finding the Fourth Proportional to 20,273.39, 30,410.10 and 10,406.37

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Solution

The fourth proportional to 20,273.39, 30,410.10 and 10,406.37 is: 15,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273.39 : 30,410.10 = 10,406.37 : x
  2. Step 2: Convert to fraction form
    20,273.39/30,410.10 = 10,406.37/x
  3. Step 3: Cross multiply
    20,273.39x = 30,410.10 × 10,406.37
  4. Step 4: Simplify right side
    20,273.39x = 316,458,866.37
  5. Step 5: Solve for x
    x = 316,458,866.37/20,273.39
  6. Step 6: Final answer
    x = 15,609.57

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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.