Home / 13,632.33-20,448.47-4,273.07

Finding the Fourth Proportional to 13,632.33, 20,448.47 and 4,273.07

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Solution

The fourth proportional to 13,632.33, 20,448.47 and 4,273.07 is: 6,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.33 : 20,448.47 = 4,273.07 : x
  2. Step 2: Convert to fraction form
    13,632.33/20,448.47 = 4,273.07/x
  3. Step 3: Cross multiply
    13,632.33x = 20,448.47 × 4,273.07
  4. Step 4: Simplify right side
    13,632.33x = 87,377,743.70
  5. Step 5: Solve for x
    x = 87,377,743.70/13,632.33
  6. Step 6: Final answer
    x = 6,409.60

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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.