Home / 18,113.28-27,175.84-8,754.36

Finding the Fourth Proportional to 18,113.28, 27,175.84 and 8,754.36

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Solution

The fourth proportional to 18,113.28, 27,175.84 and 8,754.36 is: 13,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.28 : 27,175.84 = 8,754.36 : x
  2. Step 2: Convert to fraction form
    18,113.28/27,175.84 = 8,754.36/x
  3. Step 3: Cross multiply
    18,113.28x = 27,175.84 × 8,754.36
  4. Step 4: Simplify right side
    18,113.28x = 237,907,086.66
  5. Step 5: Solve for x
    x = 237,907,086.66/18,113.28
  6. Step 6: Final answer
    x = 13,134.40

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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.