Home / 20,873.43-31,274.96-10,329.39

Finding the Fourth Proportional to 20,873.43, 31,274.96 and 10,329.39

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Solution

The fourth proportional to 20,873.43, 31,274.96 and 10,329.39 is: 15,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873.43 : 31,274.96 = 10,329.39 : x
  2. Step 2: Convert to fraction form
    20,873.43/31,274.96 = 10,329.39/x
  3. Step 3: Cross multiply
    20,873.43x = 31,274.96 × 10,329.39
  4. Step 4: Simplify right side
    20,873.43x = 323,051,207.43
  5. Step 5: Solve for x
    x = 323,051,207.43/20,873.43
  6. Step 6: Final answer
    x = 15,476.67

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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.