Home / 10,731.60-16,111.80-6,843.60

Finding the Fourth Proportional to 10,731.60, 16,111.80 and 6,843.60

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Solution

The fourth proportional to 10,731.60, 16,111.80 and 6,843.60 is: 10,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.60 : 16,111.80 = 6,843.60 : x
  2. Step 2: Convert to fraction form
    10,731.60/16,111.80 = 6,843.60/x
  3. Step 3: Cross multiply
    10,731.60x = 16,111.80 × 6,843.60
  4. Step 4: Simplify right side
    10,731.60x = 110,262,714.48
  5. Step 5: Solve for x
    x = 110,262,714.48/10,731.60
  6. Step 6: Final answer
    x = 10,274.58

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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.