Home / 13,877.27-20,828.66-9,984.41

Finding the Fourth Proportional to 13,877.27, 20,828.66 and 9,984.41

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Solution

The fourth proportional to 13,877.27, 20,828.66 and 9,984.41 is: 14,985.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.27 : 20,828.66 = 9,984.41 : x
  2. Step 2: Convert to fraction form
    13,877.27/20,828.66 = 9,984.41/x
  3. Step 3: Cross multiply
    13,877.27x = 20,828.66 × 9,984.41
  4. Step 4: Simplify right side
    13,877.27x = 207,961,727.13
  5. Step 5: Solve for x
    x = 207,961,727.13/13,877.27
  6. Step 6: Final answer
    x = 14,985.79

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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.