Home / 13,918.37-20,877.55-4,057.43

Finding the Fourth Proportional to 13,918.37, 20,877.55 and 4,057.43

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Solution

The fourth proportional to 13,918.37, 20,877.55 and 4,057.43 is: 6,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.37 : 20,877.55 = 4,057.43 : x
  2. Step 2: Convert to fraction form
    13,918.37/20,877.55 = 4,057.43/x
  3. Step 3: Cross multiply
    13,918.37x = 20,877.55 × 4,057.43
  4. Step 4: Simplify right side
    13,918.37x = 84,709,083.17
  5. Step 5: Solve for x
    x = 84,709,083.17/13,918.37
  6. Step 6: Final answer
    x = 6,086.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.