Home / 12,354.54-18,533.63-3,588.31

Finding the Fourth Proportional to 12,354.54, 18,533.63 and 3,588.31

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Solution

The fourth proportional to 12,354.54, 18,533.63 and 3,588.31 is: 5,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.54 : 18,533.63 = 3,588.31 : x
  2. Step 2: Convert to fraction form
    12,354.54/18,533.63 = 3,588.31/x
  3. Step 3: Cross multiply
    12,354.54x = 18,533.63 × 3,588.31
  4. Step 4: Simplify right side
    12,354.54x = 66,504,409.87
  5. Step 5: Solve for x
    x = 66,504,409.87/12,354.54
  6. Step 6: Final answer
    x = 5,382.99

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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.