Home / 14,369.70-21,558.14-11,419.30

Finding the Fourth Proportional to 14,369.70, 21,558.14 and 11,419.30

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Solution

The fourth proportional to 14,369.70, 21,558.14 and 11,419.30 is: 17,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,369.70 : 21,558.14 = 11,419.30 : x
  2. Step 2: Convert to fraction form
    14,369.70/21,558.14 = 11,419.30/x
  3. Step 3: Cross multiply
    14,369.70x = 21,558.14 × 11,419.30
  4. Step 4: Simplify right side
    14,369.70x = 246,178,868.10
  5. Step 5: Solve for x
    x = 246,178,868.10/14,369.70
  6. Step 6: Final answer
    x = 17,131.80

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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.