Home / 13,897.38-19,181.76-8,589

Finding the Fourth Proportional to 13,897.38, 19,181.76 and 8,589

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Solution

The fourth proportional to 13,897.38, 19,181.76 and 8,589 is: 11,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.38 : 19,181.76 = 8,589 : x
  2. Step 2: Convert to fraction form
    13,897.38/19,181.76 = 8,589/x
  3. Step 3: Cross multiply
    13,897.38x = 19,181.76 × 8,589
  4. Step 4: Simplify right side
    13,897.38x = 164,752,136.64
  5. Step 5: Solve for x
    x = 164,752,136.64/13,897.38
  6. Step 6: Final answer
    x = 11,854.91

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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.