Home / 13,480.93-20,228.30-7,564.49

Finding the Fourth Proportional to 13,480.93, 20,228.30 and 7,564.49

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Solution

The fourth proportional to 13,480.93, 20,228.30 and 7,564.49 is: 11,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.93 : 20,228.30 = 7,564.49 : x
  2. Step 2: Convert to fraction form
    13,480.93/20,228.30 = 7,564.49/x
  3. Step 3: Cross multiply
    13,480.93x = 20,228.30 × 7,564.49
  4. Step 4: Simplify right side
    13,480.93x = 153,016,738.33
  5. Step 5: Solve for x
    x = 153,016,738.33/13,480.93
  6. Step 6: Final answer
    x = 11,350.61

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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.