Home / 18,559.43-27,840.51-5,412.14

Finding the Fourth Proportional to 18,559.43, 27,840.51 and 5,412.14

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Solution

The fourth proportional to 18,559.43, 27,840.51 and 5,412.14 is: 8,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.43 : 27,840.51 = 5,412.14 : x
  2. Step 2: Convert to fraction form
    18,559.43/27,840.51 = 5,412.14/x
  3. Step 3: Cross multiply
    18,559.43x = 27,840.51 × 5,412.14
  4. Step 4: Simplify right side
    18,559.43x = 150,676,781.29
  5. Step 5: Solve for x
    x = 150,676,781.29/18,559.43
  6. Step 6: Final answer
    x = 8,118.61

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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.