Home / 18,292.43-27,438.64-7,193.05

Finding the Fourth Proportional to 18,292.43, 27,438.64 and 7,193.05

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Solution

The fourth proportional to 18,292.43, 27,438.64 and 7,193.05 is: 10,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.43 : 27,438.64 = 7,193.05 : x
  2. Step 2: Convert to fraction form
    18,292.43/27,438.64 = 7,193.05/x
  3. Step 3: Cross multiply
    18,292.43x = 27,438.64 × 7,193.05
  4. Step 4: Simplify right side
    18,292.43x = 197,367,509.45
  5. Step 5: Solve for x
    x = 197,367,509.45/18,292.43
  6. Step 6: Final answer
    x = 10,789.57

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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.