Home / 18,982.03-26,193.90-11,426.89

Finding the Fourth Proportional to 18,982.03, 26,193.90 and 11,426.89

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Solution

The fourth proportional to 18,982.03, 26,193.90 and 11,426.89 is: 15,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.03 : 26,193.90 = 11,426.89 : x
  2. Step 2: Convert to fraction form
    18,982.03/26,193.90 = 11,426.89/x
  3. Step 3: Cross multiply
    18,982.03x = 26,193.90 × 11,426.89
  4. Step 4: Simplify right side
    18,982.03x = 299,314,813.97
  5. Step 5: Solve for x
    x = 299,314,813.97/18,982.03
  6. Step 6: Final answer
    x = 15,768.32

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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.