Home / 18,559.13-27,839.50-5,412.62

Finding the Fourth Proportional to 18,559.13, 27,839.50 and 5,412.62

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Solution

The fourth proportional to 18,559.13, 27,839.50 and 5,412.62 is: 8,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.13 : 27,839.50 = 5,412.62 : x
  2. Step 2: Convert to fraction form
    18,559.13/27,839.50 = 5,412.62/x
  3. Step 3: Cross multiply
    18,559.13x = 27,839.50 × 5,412.62
  4. Step 4: Simplify right side
    18,559.13x = 150,684,690.56
  5. Step 5: Solve for x
    x = 150,684,690.56/18,559.13
  6. Step 6: Final answer
    x = 8,119.17

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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.