Home / 16,825.80-25,204.62-7,807.20

Finding the Fourth Proportional to 16,825.80, 25,204.62 and 7,807.20

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Solution

The fourth proportional to 16,825.80, 25,204.62 and 7,807.20 is: 11,694.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.80 : 25,204.62 = 7,807.20 : x
  2. Step 2: Convert to fraction form
    16,825.80/25,204.62 = 7,807.20/x
  3. Step 3: Cross multiply
    16,825.80x = 25,204.62 × 7,807.20
  4. Step 4: Simplify right side
    16,825.80x = 196,777,509.26
  5. Step 5: Solve for x
    x = 196,777,509.26/16,825.80
  6. Step 6: Final answer
    x = 11,694.99

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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.