Home / 13,444.32-18,548.88-8,137.44

Finding the Fourth Proportional to 13,444.32, 18,548.88 and 8,137.44

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Solution

The fourth proportional to 13,444.32, 18,548.88 and 8,137.44 is: 11,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.32 : 18,548.88 = 8,137.44 : x
  2. Step 2: Convert to fraction form
    13,444.32/18,548.88 = 8,137.44/x
  3. Step 3: Cross multiply
    13,444.32x = 18,548.88 × 8,137.44
  4. Step 4: Simplify right side
    13,444.32x = 150,940,398.07
  5. Step 5: Solve for x
    x = 150,940,398.07/13,444.32
  6. Step 6: Final answer
    x = 11,227.08

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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.