Home / 14,190.09-21,277.91-8,268.86

Finding the Fourth Proportional to 14,190.09, 21,277.91 and 8,268.86

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Solution

The fourth proportional to 14,190.09, 21,277.91 and 8,268.86 is: 12,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.09 : 21,277.91 = 8,268.86 : x
  2. Step 2: Convert to fraction form
    14,190.09/21,277.91 = 8,268.86/x
  3. Step 3: Cross multiply
    14,190.09x = 21,277.91 × 8,268.86
  4. Step 4: Simplify right side
    14,190.09x = 175,943,911.15
  5. Step 5: Solve for x
    x = 175,943,911.15/14,190.09
  6. Step 6: Final answer
    x = 12,399.07

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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.