Home / 13,897.38-19,181.36-8,860.44

Finding the Fourth Proportional to 13,897.38, 19,181.36 and 8,860.44

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Solution

The fourth proportional to 13,897.38, 19,181.36 and 8,860.44 is: 12,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.38 : 19,181.36 = 8,860.44 : x
  2. Step 2: Convert to fraction form
    13,897.38/19,181.36 = 8,860.44/x
  3. Step 3: Cross multiply
    13,897.38x = 19,181.36 × 8,860.44
  4. Step 4: Simplify right side
    13,897.38x = 169,955,149.19
  5. Step 5: Solve for x
    x = 169,955,149.19/13,897.38
  6. Step 6: Final answer
    x = 12,229.30

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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.