Home / 18,143.72-27,213.52-6,295.31

Finding the Fourth Proportional to 18,143.72, 27,213.52 and 6,295.31

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Solution

The fourth proportional to 18,143.72, 27,213.52 and 6,295.31 is: 9,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.72 : 27,213.52 = 6,295.31 : x
  2. Step 2: Convert to fraction form
    18,143.72/27,213.52 = 6,295.31/x
  3. Step 3: Cross multiply
    18,143.72x = 27,213.52 × 6,295.31
  4. Step 4: Simplify right side
    18,143.72x = 171,317,544.59
  5. Step 5: Solve for x
    x = 171,317,544.59/18,143.72
  6. Step 6: Final answer
    x = 9,442.25

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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.