Home / 14,468.56-21,709.59-5,115.66

Finding the Fourth Proportional to 14,468.56, 21,709.59 and 5,115.66

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Solution

The fourth proportional to 14,468.56, 21,709.59 and 5,115.66 is: 7,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468.56 : 21,709.59 = 5,115.66 : x
  2. Step 2: Convert to fraction form
    14,468.56/21,709.59 = 5,115.66/x
  3. Step 3: Cross multiply
    14,468.56x = 21,709.59 × 5,115.66
  4. Step 4: Simplify right side
    14,468.56x = 111,058,780.58
  5. Step 5: Solve for x
    x = 111,058,780.58/14,468.56
  6. Step 6: Final answer
    x = 7,675.87

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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.