Home / 14,435.25-21,660.05-8,106.19

Finding the Fourth Proportional to 14,435.25, 21,660.05 and 8,106.19

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Solution

The fourth proportional to 14,435.25, 21,660.05 and 8,106.19 is: 12,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.25 : 21,660.05 = 8,106.19 : x
  2. Step 2: Convert to fraction form
    14,435.25/21,660.05 = 8,106.19/x
  3. Step 3: Cross multiply
    14,435.25x = 21,660.05 × 8,106.19
  4. Step 4: Simplify right side
    14,435.25x = 175,580,480.71
  5. Step 5: Solve for x
    x = 175,580,480.71/14,435.25
  6. Step 6: Final answer
    x = 12,163.31

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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.