Home / 10,949.60-16,415.40-4,714.40

Finding the Fourth Proportional to 10,949.60, 16,415.40 and 4,714.40

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Solution

The fourth proportional to 10,949.60, 16,415.40 and 4,714.40 is: 7,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.60 : 16,415.40 = 4,714.40 : x
  2. Step 2: Convert to fraction form
    10,949.60/16,415.40 = 4,714.40/x
  3. Step 3: Cross multiply
    10,949.60x = 16,415.40 × 4,714.40
  4. Step 4: Simplify right side
    10,949.60x = 77,388,761.76
  5. Step 5: Solve for x
    x = 77,388,761.76/10,949.60
  6. Step 6: Final answer
    x = 7,067.73

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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.