Home / 16,783.48-25,171.62-6,920.20

Finding the Fourth Proportional to 16,783.48, 25,171.62 and 6,920.20

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Solution

The fourth proportional to 16,783.48, 25,171.62 and 6,920.20 is: 10,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.48 : 25,171.62 = 6,920.20 : x
  2. Step 2: Convert to fraction form
    16,783.48/25,171.62 = 6,920.20/x
  3. Step 3: Cross multiply
    16,783.48x = 25,171.62 × 6,920.20
  4. Step 4: Simplify right side
    16,783.48x = 174,192,644.72
  5. Step 5: Solve for x
    x = 174,192,644.72/16,783.48
  6. Step 6: Final answer
    x = 10,378.82

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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.