Home / 15,996.40-23,947.20-11,855

Finding the Fourth Proportional to 15,996.40, 23,947.20 and 11,855

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Solution

The fourth proportional to 15,996.40, 23,947.20 and 11,855 is: 17,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.40 : 23,947.20 = 11,855 : x
  2. Step 2: Convert to fraction form
    15,996.40/23,947.20 = 11,855/x
  3. Step 3: Cross multiply
    15,996.40x = 23,947.20 × 11,855
  4. Step 4: Simplify right side
    15,996.40x = 283,894,056
  5. Step 5: Solve for x
    x = 283,894,056/15,996.40
  6. Step 6: Final answer
    x = 17,747.37

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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.