Home / 11,621.43-16,038.96-6,905.73

Finding the Fourth Proportional to 11,621.43, 16,038.96 and 6,905.73

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Solution

The fourth proportional to 11,621.43, 16,038.96 and 6,905.73 is: 9,530.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.43 : 16,038.96 = 6,905.73 : x
  2. Step 2: Convert to fraction form
    11,621.43/16,038.96 = 6,905.73/x
  3. Step 3: Cross multiply
    11,621.43x = 16,038.96 × 6,905.73
  4. Step 4: Simplify right side
    11,621.43x = 110,760,727.24
  5. Step 5: Solve for x
    x = 110,760,727.24/11,621.43
  6. Step 6: Final answer
    x = 9,530.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.