Home / 10,783.37-16,177.62-3,387.82

Finding the Fourth Proportional to 10,783.37, 16,177.62 and 3,387.82

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Solution

The fourth proportional to 10,783.37, 16,177.62 and 3,387.82 is: 5,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.37 : 16,177.62 = 3,387.82 : x
  2. Step 2: Convert to fraction form
    10,783.37/16,177.62 = 3,387.82/x
  3. Step 3: Cross multiply
    10,783.37x = 16,177.62 × 3,387.82
  4. Step 4: Simplify right side
    10,783.37x = 54,806,783.70
  5. Step 5: Solve for x
    x = 54,806,783.70/10,783.37
  6. Step 6: Final answer
    x = 5,082.53

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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.