Home / 13,997.76-20,996.64-5,232.56

Finding the Fourth Proportional to 13,997.76, 20,996.64 and 5,232.56

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Solution

The fourth proportional to 13,997.76, 20,996.64 and 5,232.56 is: 7,848.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.76 : 20,996.64 = 5,232.56 : x
  2. Step 2: Convert to fraction form
    13,997.76/20,996.64 = 5,232.56/x
  3. Step 3: Cross multiply
    13,997.76x = 20,996.64 × 5,232.56
  4. Step 4: Simplify right side
    13,997.76x = 109,866,178.60
  5. Step 5: Solve for x
    x = 109,866,178.60/13,997.76
  6. Step 6: Final answer
    x = 7,848.84

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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.