Home / 14,269.64-21,400.14-3,880.04

Finding the Fourth Proportional to 14,269.64, 21,400.14 and 3,880.04

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Solution

The fourth proportional to 14,269.64, 21,400.14 and 3,880.04 is: 5,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.64 : 21,400.14 = 3,880.04 : x
  2. Step 2: Convert to fraction form
    14,269.64/21,400.14 = 3,880.04/x
  3. Step 3: Cross multiply
    14,269.64x = 21,400.14 × 3,880.04
  4. Step 4: Simplify right side
    14,269.64x = 83,033,399.21
  5. Step 5: Solve for x
    x = 83,033,399.21/14,269.64
  6. Step 6: Final answer
    x = 5,818.89

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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.