Home / 12,292.29-18,439.52-3,969.09

Finding the Fourth Proportional to 12,292.29, 18,439.52 and 3,969.09

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Solution

The fourth proportional to 12,292.29, 18,439.52 and 3,969.09 is: 5,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.29 : 18,439.52 = 3,969.09 : x
  2. Step 2: Convert to fraction form
    12,292.29/18,439.52 = 3,969.09/x
  3. Step 3: Cross multiply
    12,292.29x = 18,439.52 × 3,969.09
  4. Step 4: Simplify right side
    12,292.29x = 73,188,094.59
  5. Step 5: Solve for x
    x = 73,188,094.59/12,292.29
  6. Step 6: Final answer
    x = 5,953.98

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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.