Home / 16,804.94-25,204.70-5,115.42

Finding the Fourth Proportional to 16,804.94, 25,204.70 and 5,115.42

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Solution

The fourth proportional to 16,804.94, 25,204.70 and 5,115.42 is: 7,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,804.94 : 25,204.70 = 5,115.42 : x
  2. Step 2: Convert to fraction form
    16,804.94/25,204.70 = 5,115.42/x
  3. Step 3: Cross multiply
    16,804.94x = 25,204.70 × 5,115.42
  4. Step 4: Simplify right side
    16,804.94x = 128,932,639.26
  5. Step 5: Solve for x
    x = 128,932,639.26/16,804.94
  6. Step 6: Final answer
    x = 7,672.31

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1.5x scale

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.