Home / 20,260.67-30,401.91-9,872.42

Finding the Fourth Proportional to 20,260.67, 30,401.91 and 9,872.42

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Solution

The fourth proportional to 20,260.67, 30,401.91 and 9,872.42 is: 14,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.67 : 30,401.91 = 9,872.42 : x
  2. Step 2: Convert to fraction form
    20,260.67/30,401.91 = 9,872.42/x
  3. Step 3: Cross multiply
    20,260.67x = 30,401.91 × 9,872.42
  4. Step 4: Simplify right side
    20,260.67x = 300,140,272.31
  5. Step 5: Solve for x
    x = 300,140,272.31/20,260.67
  6. Step 6: Final answer
    x = 14,813.94

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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.