Home / 16,887.60-25,333.80-5,199.60

Finding the Fourth Proportional to 16,887.60, 25,333.80 and 5,199.60

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Solution

The fourth proportional to 16,887.60, 25,333.80 and 5,199.60 is: 7,800.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.60 : 25,333.80 = 5,199.60 : x
  2. Step 2: Convert to fraction form
    16,887.60/25,333.80 = 5,199.60/x
  3. Step 3: Cross multiply
    16,887.60x = 25,333.80 × 5,199.60
  4. Step 4: Simplify right side
    16,887.60x = 131,725,626.48
  5. Step 5: Solve for x
    x = 131,725,626.48/16,887.60
  6. Step 6: Final answer
    x = 7,800.14

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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.