Home / 13,731.83-20,597.74-11,877.44

Finding the Fourth Proportional to 13,731.83, 20,597.74 and 11,877.44

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Solution

The fourth proportional to 13,731.83, 20,597.74 and 11,877.44 is: 17,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.83 : 20,597.74 = 11,877.44 : x
  2. Step 2: Convert to fraction form
    13,731.83/20,597.74 = 11,877.44/x
  3. Step 3: Cross multiply
    13,731.83x = 20,597.74 × 11,877.44
  4. Step 4: Simplify right side
    13,731.83x = 244,648,288.30
  5. Step 5: Solve for x
    x = 244,648,288.30/13,731.83
  6. Step 6: Final answer
    x = 17,816.14

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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.