Home / 18,936.54-26,131.25-10,438.22

Finding the Fourth Proportional to 18,936.54, 26,131.25 and 10,438.22

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Solution

The fourth proportional to 18,936.54, 26,131.25 and 10,438.22 is: 14,404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.54 : 26,131.25 = 10,438.22 : x
  2. Step 2: Convert to fraction form
    18,936.54/26,131.25 = 10,438.22/x
  3. Step 3: Cross multiply
    18,936.54x = 26,131.25 × 10,438.22
  4. Step 4: Simplify right side
    18,936.54x = 272,763,627.02
  5. Step 5: Solve for x
    x = 272,763,627.02/18,936.54
  6. Step 6: Final answer
    x = 14,404.09

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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.