Home / 20,259.84-30,367.32-13,669.68

Finding the Fourth Proportional to 20,259.84, 30,367.32 and 13,669.68

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Solution

The fourth proportional to 20,259.84, 30,367.32 and 13,669.68 is: 20,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.84 : 30,367.32 = 13,669.68 : x
  2. Step 2: Convert to fraction form
    20,259.84/30,367.32 = 13,669.68/x
  3. Step 3: Cross multiply
    20,259.84x = 30,367.32 × 13,669.68
  4. Step 4: Simplify right side
    20,259.84x = 415,111,546.86
  5. Step 5: Solve for x
    x = 415,111,546.86/20,259.84
  6. Step 6: Final answer
    x = 20,489.38

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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.