Home / 20,213.36-30,326.04-10,359.56

Finding the Fourth Proportional to 20,213.36, 30,326.04 and 10,359.56

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Solution

The fourth proportional to 20,213.36, 30,326.04 and 10,359.56 is: 15,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.36 : 30,326.04 = 10,359.56 : x
  2. Step 2: Convert to fraction form
    20,213.36/30,326.04 = 10,359.56/x
  3. Step 3: Cross multiply
    20,213.36x = 30,326.04 × 10,359.56
  4. Step 4: Simplify right side
    20,213.36x = 314,164,430.94
  5. Step 5: Solve for x
    x = 314,164,430.94/20,213.36
  6. Step 6: Final answer
    x = 15,542.42

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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.