Home / 23,211.80-34,829.20-9,181.89

Finding the Fourth Proportional to 23,211.80, 34,829.20 and 9,181.89

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Solution

The fourth proportional to 23,211.80, 34,829.20 and 9,181.89 is: 13,777.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.80 : 34,829.20 = 9,181.89 : x
  2. Step 2: Convert to fraction form
    23,211.80/34,829.20 = 9,181.89/x
  3. Step 3: Cross multiply
    23,211.80x = 34,829.20 × 9,181.89
  4. Step 4: Simplify right side
    23,211.80x = 319,797,883.19
  5. Step 5: Solve for x
    x = 319,797,883.19/23,211.80
  6. Step 6: Final answer
    x = 13,777.38

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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.