Home / 18,399.24-25,381.62-12,029.58

Finding the Fourth Proportional to 18,399.24, 25,381.62 and 12,029.58

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Solution

The fourth proportional to 18,399.24, 25,381.62 and 12,029.58 is: 16,594.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.24 : 25,381.62 = 12,029.58 : x
  2. Step 2: Convert to fraction form
    18,399.24/25,381.62 = 12,029.58/x
  3. Step 3: Cross multiply
    18,399.24x = 25,381.62 × 12,029.58
  4. Step 4: Simplify right side
    18,399.24x = 305,330,228.32
  5. Step 5: Solve for x
    x = 305,330,228.32/18,399.24
  6. Step 6: Final answer
    x = 16,594.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.