Home / 12,303.39-18,453.27-3,984.14

Finding the Fourth Proportional to 12,303.39, 18,453.27 and 3,984.14

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Solution

The fourth proportional to 12,303.39, 18,453.27 and 3,984.14 is: 5,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.39 : 18,453.27 = 3,984.14 : x
  2. Step 2: Convert to fraction form
    12,303.39/18,453.27 = 3,984.14/x
  3. Step 3: Cross multiply
    12,303.39x = 18,453.27 × 3,984.14
  4. Step 4: Simplify right side
    12,303.39x = 73,520,346.00
  5. Step 5: Solve for x
    x = 73,520,346.00/12,303.39
  6. Step 6: Final answer
    x = 5,975.62

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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.