Home / 10,944.76-15,090.42-8,822.56

Finding the Fourth Proportional to 10,944.76, 15,090.42 and 8,822.56

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Solution

The fourth proportional to 10,944.76, 15,090.42 and 8,822.56 is: 12,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.76 : 15,090.42 = 8,822.56 : x
  2. Step 2: Convert to fraction form
    10,944.76/15,090.42 = 8,822.56/x
  3. Step 3: Cross multiply
    10,944.76x = 15,090.42 × 8,822.56
  4. Step 4: Simplify right side
    10,944.76x = 133,136,135.88
  5. Step 5: Solve for x
    x = 133,136,135.88/10,944.76
  6. Step 6: Final answer
    x = 12,164.37

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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.