Home / 14,178.47-21,257.26-4,815.96

Finding the Fourth Proportional to 14,178.47, 21,257.26 and 4,815.96

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Solution

The fourth proportional to 14,178.47, 21,257.26 and 4,815.96 is: 7,220.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.47 : 21,257.26 = 4,815.96 : x
  2. Step 2: Convert to fraction form
    14,178.47/21,257.26 = 4,815.96/x
  3. Step 3: Cross multiply
    14,178.47x = 21,257.26 × 4,815.96
  4. Step 4: Simplify right side
    14,178.47x = 102,374,101.83
  5. Step 5: Solve for x
    x = 102,374,101.83/14,178.47
  6. Step 6: Final answer
    x = 7,220.39

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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.