Home / 14,138.12-19,506.08-8,169

Finding the Fourth Proportional to 14,138.12, 19,506.08 and 8,169

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Solution

The fourth proportional to 14,138.12, 19,506.08 and 8,169 is: 11,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.12 : 19,506.08 = 8,169 : x
  2. Step 2: Convert to fraction form
    14,138.12/19,506.08 = 8,169/x
  3. Step 3: Cross multiply
    14,138.12x = 19,506.08 × 8,169
  4. Step 4: Simplify right side
    14,138.12x = 159,345,167.52
  5. Step 5: Solve for x
    x = 159,345,167.52/14,138.12
  6. Step 6: Final answer
    x = 11,270.61

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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.