Home / 16,379.72-24,574.36-5,286.18

Finding the Fourth Proportional to 16,379.72, 24,574.36 and 5,286.18

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Solution

The fourth proportional to 16,379.72, 24,574.36 and 5,286.18 is: 7,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.72 : 24,574.36 = 5,286.18 : x
  2. Step 2: Convert to fraction form
    16,379.72/24,574.36 = 5,286.18/x
  3. Step 3: Cross multiply
    16,379.72x = 24,574.36 × 5,286.18
  4. Step 4: Simplify right side
    16,379.72x = 129,904,490.34
  5. Step 5: Solve for x
    x = 129,904,490.34/16,379.72
  6. Step 6: Final answer
    x = 7,930.81

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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.