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Finding the Fourth Proportional to 11,633.58, 16,054.59 and 6,665.58

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Solution

The fourth proportional to 11,633.58, 16,054.59 and 6,665.58 is: 9,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,633.58 : 16,054.59 = 6,665.58 : x
  2. Step 2: Convert to fraction form
    11,633.58/16,054.59 = 6,665.58/x
  3. Step 3: Cross multiply
    11,633.58x = 16,054.59 × 6,665.58
  4. Step 4: Simplify right side
    11,633.58x = 107,013,154.01
  5. Step 5: Solve for x
    x = 107,013,154.01/11,633.58
  6. Step 6: Final answer
    x = 9,198.64

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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.