Home / 14,663.40-21,996.30-6,343.80

Finding the Fourth Proportional to 14,663.40, 21,996.30 and 6,343.80

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Solution

The fourth proportional to 14,663.40, 21,996.30 and 6,343.80 is: 9,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.40 : 21,996.30 = 6,343.80 : x
  2. Step 2: Convert to fraction form
    14,663.40/21,996.30 = 6,343.80/x
  3. Step 3: Cross multiply
    14,663.40x = 21,996.30 × 6,343.80
  4. Step 4: Simplify right side
    14,663.40x = 139,540,127.94
  5. Step 5: Solve for x
    x = 139,540,127.94/14,663.40
  6. Step 6: Final answer
    x = 9,516.22

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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.