Home / 18,231.83-27,336.81-7,125.29

Finding the Fourth Proportional to 18,231.83, 27,336.81 and 7,125.29

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Solution

The fourth proportional to 18,231.83, 27,336.81 and 7,125.29 is: 10,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.83 : 27,336.81 = 7,125.29 : x
  2. Step 2: Convert to fraction form
    18,231.83/27,336.81 = 7,125.29/x
  3. Step 3: Cross multiply
    18,231.83x = 27,336.81 × 7,125.29
  4. Step 4: Simplify right side
    18,231.83x = 194,782,698.92
  5. Step 5: Solve for x
    x = 194,782,698.92/18,231.83
  6. Step 6: Final answer
    x = 10,683.66

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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.