Home / 10,784.68-16,176.30-3,765.40

Finding the Fourth Proportional to 10,784.68, 16,176.30 and 3,765.40

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Solution

The fourth proportional to 10,784.68, 16,176.30 and 3,765.40 is: 5,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.68 : 16,176.30 = 3,765.40 : x
  2. Step 2: Convert to fraction form
    10,784.68/16,176.30 = 3,765.40/x
  3. Step 3: Cross multiply
    10,784.68x = 16,176.30 × 3,765.40
  4. Step 4: Simplify right side
    10,784.68x = 60,910,240.02
  5. Step 5: Solve for x
    x = 60,910,240.02/10,784.68
  6. Step 6: Final answer
    x = 5,647.85

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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.