Home / 18,403.82-27,611.25-5,753.06

Finding the Fourth Proportional to 18,403.82, 27,611.25 and 5,753.06

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Solution

The fourth proportional to 18,403.82, 27,611.25 and 5,753.06 is: 8,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.82 : 27,611.25 = 5,753.06 : x
  2. Step 2: Convert to fraction form
    18,403.82/27,611.25 = 5,753.06/x
  3. Step 3: Cross multiply
    18,403.82x = 27,611.25 × 5,753.06
  4. Step 4: Simplify right side
    18,403.82x = 158,849,011.10
  5. Step 5: Solve for x
    x = 158,849,011.10/18,403.82
  6. Step 6: Final answer
    x = 8,631.31

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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.