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Finding the Fourth Proportional to 15,950, 23,930.04 and 7,185.68

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Solution

The fourth proportional to 15,950, 23,930.04 and 7,185.68 is: 10,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950 : 23,930.04 = 7,185.68 : x
  2. Step 2: Convert to fraction form
    15,950/23,930.04 = 7,185.68/x
  3. Step 3: Cross multiply
    15,950x = 23,930.04 × 7,185.68
  4. Step 4: Simplify right side
    15,950x = 171,953,609.83
  5. Step 5: Solve for x
    x = 171,953,609.83/15,950
  6. Step 6: Final answer
    x = 10,780.79

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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.