Home / 11,213.52-16,822.90-3,422.32

Finding the Fourth Proportional to 11,213.52, 16,822.90 and 3,422.32

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Solution

The fourth proportional to 11,213.52, 16,822.90 and 3,422.32 is: 5,134.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.52 : 16,822.90 = 3,422.32 : x
  2. Step 2: Convert to fraction form
    11,213.52/16,822.90 = 3,422.32/x
  3. Step 3: Cross multiply
    11,213.52x = 16,822.90 × 3,422.32
  4. Step 4: Simplify right side
    11,213.52x = 57,573,347.13
  5. Step 5: Solve for x
    x = 57,573,347.13/11,213.52
  6. Step 6: Final answer
    x = 5,134.28

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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.