Home / 11,964.93-16,511.43-6,659.74

Finding the Fourth Proportional to 11,964.93, 16,511.43 and 6,659.74

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Solution

The fourth proportional to 11,964.93, 16,511.43 and 6,659.74 is: 9,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.93 : 16,511.43 = 6,659.74 : x
  2. Step 2: Convert to fraction form
    11,964.93/16,511.43 = 6,659.74/x
  3. Step 3: Cross multiply
    11,964.93x = 16,511.43 × 6,659.74
  4. Step 4: Simplify right side
    11,964.93x = 109,961,830.83
  5. Step 5: Solve for x
    x = 109,961,830.83/11,964.93
  6. Step 6: Final answer
    x = 9,190.34

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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.