Home / 11,913.58-16,439.56-6,608.29

Finding the Fourth Proportional to 11,913.58, 16,439.56 and 6,608.29

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Solution

The fourth proportional to 11,913.58, 16,439.56 and 6,608.29 is: 9,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.58 : 16,439.56 = 6,608.29 : x
  2. Step 2: Convert to fraction form
    11,913.58/16,439.56 = 6,608.29/x
  3. Step 3: Cross multiply
    11,913.58x = 16,439.56 × 6,608.29
  4. Step 4: Simplify right side
    11,913.58x = 108,637,379.95
  5. Step 5: Solve for x
    x = 108,637,379.95/11,913.58
  6. Step 6: Final answer
    x = 9,118.79

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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.