Home / 14,488.85-21,728.66-7,467.96

Finding the Fourth Proportional to 14,488.85, 21,728.66 and 7,467.96

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Solution

The fourth proportional to 14,488.85, 21,728.66 and 7,467.96 is: 11,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.85 : 21,728.66 = 7,467.96 : x
  2. Step 2: Convert to fraction form
    14,488.85/21,728.66 = 7,467.96/x
  3. Step 3: Cross multiply
    14,488.85x = 21,728.66 × 7,467.96
  4. Step 4: Simplify right side
    14,488.85x = 162,268,726.39
  5. Step 5: Solve for x
    x = 162,268,726.39/14,488.85
  6. Step 6: Final answer
    x = 11,199.56

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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.