Home / 18,573.93-27,861.84-5,427.36

Finding the Fourth Proportional to 18,573.93, 27,861.84 and 5,427.36

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Solution

The fourth proportional to 18,573.93, 27,861.84 and 5,427.36 is: 8,141.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.93 : 27,861.84 = 5,427.36 : x
  2. Step 2: Convert to fraction form
    18,573.93/27,861.84 = 5,427.36/x
  3. Step 3: Cross multiply
    18,573.93x = 27,861.84 × 5,427.36
  4. Step 4: Simplify right side
    18,573.93x = 151,216,235.94
  5. Step 5: Solve for x
    x = 151,216,235.94/18,573.93
  6. Step 6: Final answer
    x = 8,141.32

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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.