Home / 16,783.13-25,178.36-6,394.88

Finding the Fourth Proportional to 16,783.13, 25,178.36 and 6,394.88

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Solution

The fourth proportional to 16,783.13, 25,178.36 and 6,394.88 is: 9,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.13 : 25,178.36 = 6,394.88 : x
  2. Step 2: Convert to fraction form
    16,783.13/25,178.36 = 6,394.88/x
  3. Step 3: Cross multiply
    16,783.13x = 25,178.36 × 6,394.88
  4. Step 4: Simplify right side
    16,783.13x = 161,012,432.93
  5. Step 5: Solve for x
    x = 161,012,432.93/16,783.13
  6. Step 6: Final answer
    x = 9,593.71

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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.