Home / 18,057.86-27,089.36-5,578.92

Finding the Fourth Proportional to 18,057.86, 27,089.36 and 5,578.92

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Solution

The fourth proportional to 18,057.86, 27,089.36 and 5,578.92 is: 8,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.86 : 27,089.36 = 5,578.92 : x
  2. Step 2: Convert to fraction form
    18,057.86/27,089.36 = 5,578.92/x
  3. Step 3: Cross multiply
    18,057.86x = 27,089.36 × 5,578.92
  4. Step 4: Simplify right side
    18,057.86x = 151,129,372.29
  5. Step 5: Solve for x
    x = 151,129,372.29/18,057.86
  6. Step 6: Final answer
    x = 8,369.17

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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.