Home / 13,211.09-19,823.09-5,814.62

Finding the Fourth Proportional to 13,211.09, 19,823.09 and 5,814.62

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Solution

The fourth proportional to 13,211.09, 19,823.09 and 5,814.62 is: 8,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.09 : 19,823.09 = 5,814.62 : x
  2. Step 2: Convert to fraction form
    13,211.09/19,823.09 = 5,814.62/x
  3. Step 3: Cross multiply
    13,211.09x = 19,823.09 × 5,814.62
  4. Step 4: Simplify right side
    13,211.09x = 115,263,735.58
  5. Step 5: Solve for x
    x = 115,263,735.58/13,211.09
  6. Step 6: Final answer
    x = 8,724.77

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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.