Home / 13,244.28-19,866.42-5,453.72

Finding the Fourth Proportional to 13,244.28, 19,866.42 and 5,453.72

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Solution

The fourth proportional to 13,244.28, 19,866.42 and 5,453.72 is: 8,180.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.28 : 19,866.42 = 5,453.72 : x
  2. Step 2: Convert to fraction form
    13,244.28/19,866.42 = 5,453.72/x
  3. Step 3: Cross multiply
    13,244.28x = 19,866.42 × 5,453.72
  4. Step 4: Simplify right side
    13,244.28x = 108,345,892.08
  5. Step 5: Solve for x
    x = 108,345,892.08/13,244.28
  6. Step 6: Final answer
    x = 8,180.58

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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.