Home / 14,068.26-21,103.60-3,680

Finding the Fourth Proportional to 14,068.26, 21,103.60 and 3,680

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Solution

The fourth proportional to 14,068.26, 21,103.60 and 3,680 is: 5,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.26 : 21,103.60 = 3,680 : x
  2. Step 2: Convert to fraction form
    14,068.26/21,103.60 = 3,680/x
  3. Step 3: Cross multiply
    14,068.26x = 21,103.60 × 3,680
  4. Step 4: Simplify right side
    14,068.26x = 77,661,248
  5. Step 5: Solve for x
    x = 77,661,248/14,068.26
  6. Step 6: Final answer
    x = 5,520.32

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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.