Home / 16,864.80-25,311.60-7,519.20

Finding the Fourth Proportional to 16,864.80, 25,311.60 and 7,519.20

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Solution

The fourth proportional to 16,864.80, 25,311.60 and 7,519.20 is: 11,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.80 : 25,311.60 = 7,519.20 : x
  2. Step 2: Convert to fraction form
    16,864.80/25,311.60 = 7,519.20/x
  3. Step 3: Cross multiply
    16,864.80x = 25,311.60 × 7,519.20
  4. Step 4: Simplify right side
    16,864.80x = 190,322,982.72
  5. Step 5: Solve for x
    x = 190,322,982.72/16,864.80
  6. Step 6: Final answer
    x = 11,285.22

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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.