Home / 18,794.64-28,171.57-9,412.04

Finding the Fourth Proportional to 18,794.64, 28,171.57 and 9,412.04

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Solution

The fourth proportional to 18,794.64, 28,171.57 and 9,412.04 is: 14,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.64 : 28,171.57 = 9,412.04 : x
  2. Step 2: Convert to fraction form
    18,794.64/28,171.57 = 9,412.04/x
  3. Step 3: Cross multiply
    18,794.64x = 28,171.57 × 9,412.04
  4. Step 4: Simplify right side
    18,794.64x = 265,151,802.84
  5. Step 5: Solve for x
    x = 265,151,802.84/18,794.64
  6. Step 6: Final answer
    x = 14,107.85

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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.