Home / 18,254.80-27,379.84-5,776.09

Finding the Fourth Proportional to 18,254.80, 27,379.84 and 5,776.09

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Solution

The fourth proportional to 18,254.80, 27,379.84 and 5,776.09 is: 8,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.80 : 27,379.84 = 5,776.09 : x
  2. Step 2: Convert to fraction form
    18,254.80/27,379.84 = 5,776.09/x
  3. Step 3: Cross multiply
    18,254.80x = 27,379.84 × 5,776.09
  4. Step 4: Simplify right side
    18,254.80x = 158,148,420.03
  5. Step 5: Solve for x
    x = 158,148,420.03/18,254.80
  6. Step 6: Final answer
    x = 8,663.39

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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.