Home / 18,582.72-27,868.32-7,488.96

Finding the Fourth Proportional to 18,582.72, 27,868.32 and 7,488.96

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Solution

The fourth proportional to 18,582.72, 27,868.32 and 7,488.96 is: 11,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.72 : 27,868.32 = 7,488.96 : x
  2. Step 2: Convert to fraction form
    18,582.72/27,868.32 = 7,488.96/x
  3. Step 3: Cross multiply
    18,582.72x = 27,868.32 × 7,488.96
  4. Step 4: Simplify right side
    18,582.72x = 208,704,733.75
  5. Step 5: Solve for x
    x = 208,704,733.75/18,582.72
  6. Step 6: Final answer
    x = 11,231.12

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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.