Home / 14,318.83-21,469.57-6,419.87

Finding the Fourth Proportional to 14,318.83, 21,469.57 and 6,419.87

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Solution

The fourth proportional to 14,318.83, 21,469.57 and 6,419.87 is: 9,625.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.83 : 21,469.57 = 6,419.87 : x
  2. Step 2: Convert to fraction form
    14,318.83/21,469.57 = 6,419.87/x
  3. Step 3: Cross multiply
    14,318.83x = 21,469.57 × 6,419.87
  4. Step 4: Simplify right side
    14,318.83x = 137,831,962.35
  5. Step 5: Solve for x
    x = 137,831,962.35/14,318.83
  6. Step 6: Final answer
    x = 9,625.93

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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.