Home / 13,669.88-20,481.78-9,038.84

Finding the Fourth Proportional to 13,669.88, 20,481.78 and 9,038.84

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Solution

The fourth proportional to 13,669.88, 20,481.78 and 9,038.84 is: 13,543.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.88 : 20,481.78 = 9,038.84 : x
  2. Step 2: Convert to fraction form
    13,669.88/20,481.78 = 9,038.84/x
  3. Step 3: Cross multiply
    13,669.88x = 20,481.78 × 9,038.84
  4. Step 4: Simplify right side
    13,669.88x = 185,131,532.34
  5. Step 5: Solve for x
    x = 185,131,532.34/13,669.88
  6. Step 6: Final answer
    x = 13,543.03

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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.