Home / 11,852.10-17,778.04-4,830.47

Finding the Fourth Proportional to 11,852.10, 17,778.04 and 4,830.47

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Solution

The fourth proportional to 11,852.10, 17,778.04 and 4,830.47 is: 7,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.10 : 17,778.04 = 4,830.47 : x
  2. Step 2: Convert to fraction form
    11,852.10/17,778.04 = 4,830.47/x
  3. Step 3: Cross multiply
    11,852.10x = 17,778.04 × 4,830.47
  4. Step 4: Simplify right side
    11,852.10x = 85,876,187.91
  5. Step 5: Solve for x
    x = 85,876,187.91/11,852.10
  6. Step 6: Final answer
    x = 7,245.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.