Home / 13,877.68-19,145.82-8,841

Finding the Fourth Proportional to 13,877.68, 19,145.82 and 8,841

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Solution

The fourth proportional to 13,877.68, 19,145.82 and 8,841 is: 12,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.68 : 19,145.82 = 8,841 : x
  2. Step 2: Convert to fraction form
    13,877.68/19,145.82 = 8,841/x
  3. Step 3: Cross multiply
    13,877.68x = 19,145.82 × 8,841
  4. Step 4: Simplify right side
    13,877.68x = 169,268,194.62
  5. Step 5: Solve for x
    x = 169,268,194.62/13,877.68
  6. Step 6: Final answer
    x = 12,197.15

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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.