Home / 20,160.60-30,241.05-11,393.46

Finding the Fourth Proportional to 20,160.60, 30,241.05 and 11,393.46

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Solution

The fourth proportional to 20,160.60, 30,241.05 and 11,393.46 is: 17,090.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.60 : 30,241.05 = 11,393.46 : x
  2. Step 2: Convert to fraction form
    20,160.60/30,241.05 = 11,393.46/x
  3. Step 3: Cross multiply
    20,160.60x = 30,241.05 × 11,393.46
  4. Step 4: Simplify right side
    20,160.60x = 344,550,150.81
  5. Step 5: Solve for x
    x = 344,550,150.81/20,160.60
  6. Step 6: Final answer
    x = 17,090.28

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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.