Home / 13,882.40-20,827.44-5,565.60

Finding the Fourth Proportional to 13,882.40, 20,827.44 and 5,565.60

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Solution

The fourth proportional to 13,882.40, 20,827.44 and 5,565.60 is: 8,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.40 : 20,827.44 = 5,565.60 : x
  2. Step 2: Convert to fraction form
    13,882.40/20,827.44 = 5,565.60/x
  3. Step 3: Cross multiply
    13,882.40x = 20,827.44 × 5,565.60
  4. Step 4: Simplify right side
    13,882.40x = 115,917,200.06
  5. Step 5: Solve for x
    x = 115,917,200.06/13,882.40
  6. Step 6: Final answer
    x = 8,349.94

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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.