Home / 20,175.48-30,262.96-9,074.32

Finding the Fourth Proportional to 20,175.48, 30,262.96 and 9,074.32

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Solution

The fourth proportional to 20,175.48, 30,262.96 and 9,074.32 is: 13,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.48 : 30,262.96 = 9,074.32 : x
  2. Step 2: Convert to fraction form
    20,175.48/30,262.96 = 9,074.32/x
  3. Step 3: Cross multiply
    20,175.48x = 30,262.96 × 9,074.32
  4. Step 4: Simplify right side
    20,175.48x = 274,615,783.19
  5. Step 5: Solve for x
    x = 274,615,783.19/20,175.48
  6. Step 6: Final answer
    x = 13,611.36

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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.