Home / 12,357.24-18,532.62-3,589.80

Finding the Fourth Proportional to 12,357.24, 18,532.62 and 3,589.80

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Solution

The fourth proportional to 12,357.24, 18,532.62 and 3,589.80 is: 5,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.24 : 18,532.62 = 3,589.80 : x
  2. Step 2: Convert to fraction form
    12,357.24/18,532.62 = 3,589.80/x
  3. Step 3: Cross multiply
    12,357.24x = 18,532.62 × 3,589.80
  4. Step 4: Simplify right side
    12,357.24x = 66,528,399.28
  5. Step 5: Solve for x
    x = 66,528,399.28/12,357.24
  6. Step 6: Final answer
    x = 5,383.76

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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.