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Finding the Fourth Proportional to 14,918.58, 22,377.87 and 7,529.29

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Solution

The fourth proportional to 14,918.58, 22,377.87 and 7,529.29 is: 11,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.58 : 22,377.87 = 7,529.29 : x
  2. Step 2: Convert to fraction form
    14,918.58/22,377.87 = 7,529.29/x
  3. Step 3: Cross multiply
    14,918.58x = 22,377.87 × 7,529.29
  4. Step 4: Simplify right side
    14,918.58x = 168,489,416.87
  5. Step 5: Solve for x
    x = 168,489,416.87/14,918.58
  6. Step 6: Final answer
    x = 11,293.93

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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.