Home / 13,880.07-20,819.91-3,350.00

Finding the Fourth Proportional to 13,880.07, 20,819.91 and 3,350.00

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Solution

The fourth proportional to 13,880.07, 20,819.91 and 3,350.00 is: 5,024.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.07 : 20,819.91 = 3,350.00 : x
  2. Step 2: Convert to fraction form
    13,880.07/20,819.91 = 3,350.00/x
  3. Step 3: Cross multiply
    13,880.07x = 20,819.91 × 3,350.00
  4. Step 4: Simplify right side
    13,880.07x = 69,746,646.45
  5. Step 5: Solve for x
    x = 69,746,646.45/13,880.07
  6. Step 6: Final answer
    x = 5,024.95

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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.