Home / 14,267.76-21,370.42-7,235.65

Finding the Fourth Proportional to 14,267.76, 21,370.42 and 7,235.65

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Solution

The fourth proportional to 14,267.76, 21,370.42 and 7,235.65 is: 10,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.76 : 21,370.42 = 7,235.65 : x
  2. Step 2: Convert to fraction form
    14,267.76/21,370.42 = 7,235.65/x
  3. Step 3: Cross multiply
    14,267.76x = 21,370.42 × 7,235.65
  4. Step 4: Simplify right side
    14,267.76x = 154,628,879.47
  5. Step 5: Solve for x
    x = 154,628,879.47/14,267.76
  6. Step 6: Final answer
    x = 10,837.64

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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.