Home / 13,164.86-19,733.32-6,136.70

Finding the Fourth Proportional to 13,164.86, 19,733.32 and 6,136.70

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Solution

The fourth proportional to 13,164.86, 19,733.32 and 6,136.70 is: 9,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.86 : 19,733.32 = 6,136.70 : x
  2. Step 2: Convert to fraction form
    13,164.86/19,733.32 = 6,136.70/x
  3. Step 3: Cross multiply
    13,164.86x = 19,733.32 × 6,136.70
  4. Step 4: Simplify right side
    13,164.86x = 121,097,373.85
  5. Step 5: Solve for x
    x = 121,097,373.85/13,164.86
  6. Step 6: Final answer
    x = 9,198.53

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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.