Home / 12,950.34-19,431.96-8,566.62

Finding the Fourth Proportional to 12,950.34, 19,431.96 and 8,566.62

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Solution

The fourth proportional to 12,950.34, 19,431.96 and 8,566.62 is: 12,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.34 : 19,431.96 = 8,566.62 : x
  2. Step 2: Convert to fraction form
    12,950.34/19,431.96 = 8,566.62/x
  3. Step 3: Cross multiply
    12,950.34x = 19,431.96 × 8,566.62
  4. Step 4: Simplify right side
    12,950.34x = 166,466,217.18
  5. Step 5: Solve for x
    x = 166,466,217.18/12,950.34
  6. Step 6: Final answer
    x = 12,854.20

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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.