Home / 18,005.82-27,020.88-6,319.14

Finding the Fourth Proportional to 18,005.82, 27,020.88 and 6,319.14

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Solution

The fourth proportional to 18,005.82, 27,020.88 and 6,319.14 is: 9,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.82 : 27,020.88 = 6,319.14 : x
  2. Step 2: Convert to fraction form
    18,005.82/27,020.88 = 6,319.14/x
  3. Step 3: Cross multiply
    18,005.82x = 27,020.88 × 6,319.14
  4. Step 4: Simplify right side
    18,005.82x = 170,748,723.64
  5. Step 5: Solve for x
    x = 170,748,723.64/18,005.82
  6. Step 6: Final answer
    x = 9,482.97

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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.