Home / 16,845.47-25,235.37-10,255.31

Finding the Fourth Proportional to 16,845.47, 25,235.37 and 10,255.31

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Solution

The fourth proportional to 16,845.47, 25,235.37 and 10,255.31 is: 15,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.47 : 25,235.37 = 10,255.31 : x
  2. Step 2: Convert to fraction form
    16,845.47/25,235.37 = 10,255.31/x
  3. Step 3: Cross multiply
    16,845.47x = 25,235.37 × 10,255.31
  4. Step 4: Simplify right side
    16,845.47x = 258,796,542.31
  5. Step 5: Solve for x
    x = 258,796,542.31/16,845.47
  6. Step 6: Final answer
    x = 15,362.98

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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.