Home / 16,804.50-25,209.48-5,115

Finding the Fourth Proportional to 16,804.50, 25,209.48 and 5,115

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Solution

The fourth proportional to 16,804.50, 25,209.48 and 5,115 is: 7,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,804.50 : 25,209.48 = 5,115 : x
  2. Step 2: Convert to fraction form
    16,804.50/25,209.48 = 5,115/x
  3. Step 3: Cross multiply
    16,804.50x = 25,209.48 × 5,115
  4. Step 4: Simplify right side
    16,804.50x = 128,946,490.20
  5. Step 5: Solve for x
    x = 128,946,490.20/16,804.50
  6. Step 6: Final answer
    x = 7,673.33

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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.