Home / 14,528.45-21,787.89-4,665.39

Finding the Fourth Proportional to 14,528.45, 21,787.89 and 4,665.39

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Solution

The fourth proportional to 14,528.45, 21,787.89 and 4,665.39 is: 6,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.45 : 21,787.89 = 4,665.39 : x
  2. Step 2: Convert to fraction form
    14,528.45/21,787.89 = 4,665.39/x
  3. Step 3: Cross multiply
    14,528.45x = 21,787.89 × 4,665.39
  4. Step 4: Simplify right side
    14,528.45x = 101,649,004.13
  5. Step 5: Solve for x
    x = 101,649,004.13/14,528.45
  6. Step 6: Final answer
    x = 6,996.55

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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.