Home / 11,930.83-16,480.04-9,080.89

Finding the Fourth Proportional to 11,930.83, 16,480.04 and 9,080.89

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Solution

The fourth proportional to 11,930.83, 16,480.04 and 9,080.89 is: 12,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.83 : 16,480.04 = 9,080.89 : x
  2. Step 2: Convert to fraction form
    11,930.83/16,480.04 = 9,080.89/x
  3. Step 3: Cross multiply
    11,930.83x = 16,480.04 × 9,080.89
  4. Step 4: Simplify right side
    11,930.83x = 149,653,430.44
  5. Step 5: Solve for x
    x = 149,653,430.44/11,930.83
  6. Step 6: Final answer
    x = 12,543.42

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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.