Home / 11,654.91-16,084.80-6,619.35

Finding the Fourth Proportional to 11,654.91, 16,084.80 and 6,619.35

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Solution

The fourth proportional to 11,654.91, 16,084.80 and 6,619.35 is: 9,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654.91 : 16,084.80 = 6,619.35 : x
  2. Step 2: Convert to fraction form
    11,654.91/16,084.80 = 6,619.35/x
  3. Step 3: Cross multiply
    11,654.91x = 16,084.80 × 6,619.35
  4. Step 4: Simplify right side
    11,654.91x = 106,470,920.88
  5. Step 5: Solve for x
    x = 106,470,920.88/11,654.91
  6. Step 6: Final answer
    x = 9,135.28

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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.