Home / 12,958.29-17,855.96-12,001.50

Finding the Fourth Proportional to 12,958.29, 17,855.96 and 12,001.50

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Solution

The fourth proportional to 12,958.29, 17,855.96 and 12,001.50 is: 16,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958.29 : 17,855.96 = 12,001.50 : x
  2. Step 2: Convert to fraction form
    12,958.29/17,855.96 = 12,001.50/x
  3. Step 3: Cross multiply
    12,958.29x = 17,855.96 × 12,001.50
  4. Step 4: Simplify right side
    12,958.29x = 214,298,243.93
  5. Step 5: Solve for x
    x = 214,298,243.93/12,958.29
  6. Step 6: Final answer
    x = 16,537.54

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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.