Home / 20,217.37-30,326.05-10,351.26

Finding the Fourth Proportional to 20,217.37, 30,326.05 and 10,351.26

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Solution

The fourth proportional to 20,217.37, 30,326.05 and 10,351.26 is: 15,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217.37 : 30,326.05 = 10,351.26 : x
  2. Step 2: Convert to fraction form
    20,217.37/30,326.05 = 10,351.26/x
  3. Step 3: Cross multiply
    20,217.37x = 30,326.05 × 10,351.26
  4. Step 4: Simplify right side
    20,217.37x = 313,912,828.32
  5. Step 5: Solve for x
    x = 313,912,828.32/20,217.37
  6. Step 6: Final answer
    x = 15,526.89

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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.