Home / 14,310.52-21,459.83-5,540.38

Finding the Fourth Proportional to 14,310.52, 21,459.83 and 5,540.38

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Solution

The fourth proportional to 14,310.52, 21,459.83 and 5,540.38 is: 8,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.52 : 21,459.83 = 5,540.38 : x
  2. Step 2: Convert to fraction form
    14,310.52/21,459.83 = 5,540.38/x
  3. Step 3: Cross multiply
    14,310.52x = 21,459.83 × 5,540.38
  4. Step 4: Simplify right side
    14,310.52x = 118,895,612.94
  5. Step 5: Solve for x
    x = 118,895,612.94/14,310.52
  6. Step 6: Final answer
    x = 8,308.27

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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.