Home / 20,240.34-30,359.40-6,200.37

Finding the Fourth Proportional to 20,240.34, 30,359.40 and 6,200.37

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Solution

The fourth proportional to 20,240.34, 30,359.40 and 6,200.37 is: 9,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240.34 : 30,359.40 = 6,200.37 : x
  2. Step 2: Convert to fraction form
    20,240.34/30,359.40 = 6,200.37/x
  3. Step 3: Cross multiply
    20,240.34x = 30,359.40 × 6,200.37
  4. Step 4: Simplify right side
    20,240.34x = 188,239,512.98
  5. Step 5: Solve for x
    x = 188,239,512.98/20,240.34
  6. Step 6: Final answer
    x = 9,300.21

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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.