Home / 14,435.75-21,660.80-8,106.69

Finding the Fourth Proportional to 14,435.75, 21,660.80 and 8,106.69

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Solution

The fourth proportional to 14,435.75, 21,660.80 and 8,106.69 is: 12,164.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.75 : 21,660.80 = 8,106.69 : x
  2. Step 2: Convert to fraction form
    14,435.75/21,660.80 = 8,106.69/x
  3. Step 3: Cross multiply
    14,435.75x = 21,660.80 × 8,106.69
  4. Step 4: Simplify right side
    14,435.75x = 175,597,390.75
  5. Step 5: Solve for x
    x = 175,597,390.75/14,435.75
  6. Step 6: Final answer
    x = 12,164.06

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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.