Home / 20,140.18-30,208.92-6,100.60

Finding the Fourth Proportional to 20,140.18, 30,208.92 and 6,100.60

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Solution

The fourth proportional to 20,140.18, 30,208.92 and 6,100.60 is: 9,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140.18 : 30,208.92 = 6,100.60 : x
  2. Step 2: Convert to fraction form
    20,140.18/30,208.92 = 6,100.60/x
  3. Step 3: Cross multiply
    20,140.18x = 30,208.92 × 6,100.60
  4. Step 4: Simplify right side
    20,140.18x = 184,292,537.35
  5. Step 5: Solve for x
    x = 184,292,537.35/20,140.18
  6. Step 6: Final answer
    x = 9,150.49

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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.