Home / 14,284.46-21,422.54-5,517.38

Finding the Fourth Proportional to 14,284.46, 21,422.54 and 5,517.38

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Solution

The fourth proportional to 14,284.46, 21,422.54 and 5,517.38 is: 8,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.46 : 21,422.54 = 5,517.38 : x
  2. Step 2: Convert to fraction form
    14,284.46/21,422.54 = 5,517.38/x
  3. Step 3: Cross multiply
    14,284.46x = 21,422.54 × 5,517.38
  4. Step 4: Simplify right side
    14,284.46x = 118,196,293.75
  5. Step 5: Solve for x
    x = 118,196,293.75/14,284.46
  6. Step 6: Final answer
    x = 8,274.47

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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.