Home / 11,284.78-16,930.14-4,264.90

Finding the Fourth Proportional to 11,284.78, 16,930.14 and 4,264.90

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Solution

The fourth proportional to 11,284.78, 16,930.14 and 4,264.90 is: 6,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.78 : 16,930.14 = 4,264.90 : x
  2. Step 2: Convert to fraction form
    11,284.78/16,930.14 = 4,264.90/x
  3. Step 3: Cross multiply
    11,284.78x = 16,930.14 × 4,264.90
  4. Step 4: Simplify right side
    11,284.78x = 72,205,354.09
  5. Step 5: Solve for x
    x = 72,205,354.09/11,284.78
  6. Step 6: Final answer
    x = 6,398.47

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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.