Home / 18,784.42-28,157.92-9,395.79

Finding the Fourth Proportional to 18,784.42, 28,157.92 and 9,395.79

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Solution

The fourth proportional to 18,784.42, 28,157.92 and 9,395.79 is: 14,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.42 : 28,157.92 = 9,395.79 : x
  2. Step 2: Convert to fraction form
    18,784.42/28,157.92 = 9,395.79/x
  3. Step 3: Cross multiply
    18,784.42x = 28,157.92 × 9,395.79
  4. Step 4: Simplify right side
    18,784.42x = 264,565,903.16
  5. Step 5: Solve for x
    x = 264,565,903.16/18,784.42
  6. Step 6: Final answer
    x = 14,084.33

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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.