Home / 14,571.53-20,108.68-8,198.13

Finding the Fourth Proportional to 14,571.53, 20,108.68 and 8,198.13

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Solution

The fourth proportional to 14,571.53, 20,108.68 and 8,198.13 is: 11,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.53 : 20,108.68 = 8,198.13 : x
  2. Step 2: Convert to fraction form
    14,571.53/20,108.68 = 8,198.13/x
  3. Step 3: Cross multiply
    14,571.53x = 20,108.68 × 8,198.13
  4. Step 4: Simplify right side
    14,571.53x = 164,853,572.77
  5. Step 5: Solve for x
    x = 164,853,572.77/14,571.53
  6. Step 6: Final answer
    x = 11,313.40

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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.