Home / 10,822.56-16,219.64-5,553.12

Finding the Fourth Proportional to 10,822.56, 16,219.64 and 5,553.12

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Solution

The fourth proportional to 10,822.56, 16,219.64 and 5,553.12 is: 8,322.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.56 : 16,219.64 = 5,553.12 : x
  2. Step 2: Convert to fraction form
    10,822.56/16,219.64 = 5,553.12/x
  3. Step 3: Cross multiply
    10,822.56x = 16,219.64 × 5,553.12
  4. Step 4: Simplify right side
    10,822.56x = 90,069,607.28
  5. Step 5: Solve for x
    x = 90,069,607.28/10,822.56
  6. Step 6: Final answer
    x = 8,322.39

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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.