Home / 14,568.06-20,106.21-8,906.07

Finding the Fourth Proportional to 14,568.06, 20,106.21 and 8,906.07

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Solution

The fourth proportional to 14,568.06, 20,106.21 and 8,906.07 is: 12,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.06 : 20,106.21 = 8,906.07 : x
  2. Step 2: Convert to fraction form
    14,568.06/20,106.21 = 8,906.07/x
  3. Step 3: Cross multiply
    14,568.06x = 20,106.21 × 8,906.07
  4. Step 4: Simplify right side
    14,568.06x = 179,067,313.69
  5. Step 5: Solve for x
    x = 179,067,313.69/14,568.06
  6. Step 6: Final answer
    x = 12,291.77

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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.