Home / 16,780.80-25,164.48-5,089.92

Finding the Fourth Proportional to 16,780.80, 25,164.48 and 5,089.92

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Solution

The fourth proportional to 16,780.80, 25,164.48 and 5,089.92 is: 7,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.80 : 25,164.48 = 5,089.92 : x
  2. Step 2: Convert to fraction form
    16,780.80/25,164.48 = 5,089.92/x
  3. Step 3: Cross multiply
    16,780.80x = 25,164.48 × 5,089.92
  4. Step 4: Simplify right side
    16,780.80x = 128,085,190.04
  5. Step 5: Solve for x
    x = 128,085,190.04/16,780.80
  6. Step 6: Final answer
    x = 7,632.84

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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.