Home / 14,143.89-19,514.16-8,173.38

Finding the Fourth Proportional to 14,143.89, 19,514.16 and 8,173.38

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Solution

The fourth proportional to 14,143.89, 19,514.16 and 8,173.38 is: 11,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.89 : 19,514.16 = 8,173.38 : x
  2. Step 2: Convert to fraction form
    14,143.89/19,514.16 = 8,173.38/x
  3. Step 3: Cross multiply
    14,143.89x = 19,514.16 × 8,173.38
  4. Step 4: Simplify right side
    14,143.89x = 159,496,645.06
  5. Step 5: Solve for x
    x = 159,496,645.06/14,143.89
  6. Step 6: Final answer
    x = 11,276.72

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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.