Home / 20,157.43-30,241.59-7,010.53

Finding the Fourth Proportional to 20,157.43, 30,241.59 and 7,010.53

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Solution

The fourth proportional to 20,157.43, 30,241.59 and 7,010.53 is: 10,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157.43 : 30,241.59 = 7,010.53 : x
  2. Step 2: Convert to fraction form
    20,157.43/30,241.59 = 7,010.53/x
  3. Step 3: Cross multiply
    20,157.43x = 30,241.59 × 7,010.53
  4. Step 4: Simplify right side
    20,157.43x = 212,009,573.94
  5. Step 5: Solve for x
    x = 212,009,573.94/20,157.43
  6. Step 6: Final answer
    x = 10,517.69

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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.