Home / 12,448.09-18,660.93-4,545.09

Finding the Fourth Proportional to 12,448.09, 18,660.93 and 4,545.09

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Solution

The fourth proportional to 12,448.09, 18,660.93 and 4,545.09 is: 6,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.09 : 18,660.93 = 4,545.09 : x
  2. Step 2: Convert to fraction form
    12,448.09/18,660.93 = 4,545.09/x
  3. Step 3: Cross multiply
    12,448.09x = 18,660.93 × 4,545.09
  4. Step 4: Simplify right side
    12,448.09x = 84,815,606.33
  5. Step 5: Solve for x
    x = 84,815,606.33/12,448.09
  6. Step 6: Final answer
    x = 6,813.54

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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.