Home / 14,134.87-19,508.52-8,170

Finding the Fourth Proportional to 14,134.87, 19,508.52 and 8,170

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Solution

The fourth proportional to 14,134.87, 19,508.52 and 8,170 is: 11,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.87 : 19,508.52 = 8,170 : x
  2. Step 2: Convert to fraction form
    14,134.87/19,508.52 = 8,170/x
  3. Step 3: Cross multiply
    14,134.87x = 19,508.52 × 8,170
  4. Step 4: Simplify right side
    14,134.87x = 159,384,608.40
  5. Step 5: Solve for x
    x = 159,384,608.40/14,134.87
  6. Step 6: Final answer
    x = 11,275.99

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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.