Home / 19,334.12-28,991.40-9,458.60

Finding the Fourth Proportional to 19,334.12, 28,991.40 and 9,458.60

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Solution

The fourth proportional to 19,334.12, 28,991.40 and 9,458.60 is: 14,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.12 : 28,991.40 = 9,458.60 : x
  2. Step 2: Convert to fraction form
    19,334.12/28,991.40 = 9,458.60/x
  3. Step 3: Cross multiply
    19,334.12x = 28,991.40 × 9,458.60
  4. Step 4: Simplify right side
    19,334.12x = 274,218,056.04
  5. Step 5: Solve for x
    x = 274,218,056.04/19,334.12
  6. Step 6: Final answer
    x = 14,183.12

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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.