Home / 18,179.64-27,233.82-9,420.30

Finding the Fourth Proportional to 18,179.64, 27,233.82 and 9,420.30

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Solution

The fourth proportional to 18,179.64, 27,233.82 and 9,420.30 is: 14,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.64 : 27,233.82 = 9,420.30 : x
  2. Step 2: Convert to fraction form
    18,179.64/27,233.82 = 9,420.30/x
  3. Step 3: Cross multiply
    18,179.64x = 27,233.82 × 9,420.30
  4. Step 4: Simplify right side
    18,179.64x = 256,550,754.55
  5. Step 5: Solve for x
    x = 256,550,754.55/18,179.64
  6. Step 6: Final answer
    x = 14,111.98

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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.