Home / 14,790.75-20,411.04-8,076.56

Finding the Fourth Proportional to 14,790.75, 20,411.04 and 8,076.56

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Solution

The fourth proportional to 14,790.75, 20,411.04 and 8,076.56 is: 11,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.75 : 20,411.04 = 8,076.56 : x
  2. Step 2: Convert to fraction form
    14,790.75/20,411.04 = 8,076.56/x
  3. Step 3: Cross multiply
    14,790.75x = 20,411.04 × 8,076.56
  4. Step 4: Simplify right side
    14,790.75x = 164,850,986.84
  5. Step 5: Solve for x
    x = 164,850,986.84/14,790.75
  6. Step 6: Final answer
    x = 11,145.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.