Home / 12,664.62-18,996.93-4,875.26

Finding the Fourth Proportional to 12,664.62, 18,996.93 and 4,875.26

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Solution

The fourth proportional to 12,664.62, 18,996.93 and 4,875.26 is: 7,312.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.62 : 18,996.93 = 4,875.26 : x
  2. Step 2: Convert to fraction form
    12,664.62/18,996.93 = 4,875.26/x
  3. Step 3: Cross multiply
    12,664.62x = 18,996.93 × 4,875.26
  4. Step 4: Simplify right side
    12,664.62x = 92,614,877.97
  5. Step 5: Solve for x
    x = 92,614,877.97/12,664.62
  6. Step 6: Final answer
    x = 7,312.88

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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.