Home / 13,861.71-20,802.58-5,544.05

Finding the Fourth Proportional to 13,861.71, 20,802.58 and 5,544.05

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Solution

The fourth proportional to 13,861.71, 20,802.58 and 5,544.05 is: 8,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.71 : 20,802.58 = 5,544.05 : x
  2. Step 2: Convert to fraction form
    13,861.71/20,802.58 = 5,544.05/x
  3. Step 3: Cross multiply
    13,861.71x = 20,802.58 × 5,544.05
  4. Step 4: Simplify right side
    13,861.71x = 115,330,425.78
  5. Step 5: Solve for x
    x = 115,330,425.78/13,861.71
  6. Step 6: Final answer
    x = 8,320.07

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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.