Home / 18,957.04-28,429.20-6,303.88

Finding the Fourth Proportional to 18,957.04, 28,429.20 and 6,303.88

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Solution

The fourth proportional to 18,957.04, 28,429.20 and 6,303.88 is: 9,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957.04 : 28,429.20 = 6,303.88 : x
  2. Step 2: Convert to fraction form
    18,957.04/28,429.20 = 6,303.88/x
  3. Step 3: Cross multiply
    18,957.04x = 28,429.20 × 6,303.88
  4. Step 4: Simplify right side
    18,957.04x = 179,214,265.30
  5. Step 5: Solve for x
    x = 179,214,265.30/18,957.04
  6. Step 6: Final answer
    x = 9,453.71

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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.