Home / 15,216.03-20,996.06-8,500.82

Finding the Fourth Proportional to 15,216.03, 20,996.06 and 8,500.82

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Solution

The fourth proportional to 15,216.03, 20,996.06 and 8,500.82 is: 11,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.03 : 20,996.06 = 8,500.82 : x
  2. Step 2: Convert to fraction form
    15,216.03/20,996.06 = 8,500.82/x
  3. Step 3: Cross multiply
    15,216.03x = 20,996.06 × 8,500.82
  4. Step 4: Simplify right side
    15,216.03x = 178,483,579.28
  5. Step 5: Solve for x
    x = 178,483,579.28/15,216.03
  6. Step 6: Final answer
    x = 11,729.97

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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.