Home / 10,783.55-16,177.76-4,211.62

Finding the Fourth Proportional to 10,783.55, 16,177.76 and 4,211.62

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Solution

The fourth proportional to 10,783.55, 16,177.76 and 4,211.62 is: 6,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.55 : 16,177.76 = 4,211.62 : x
  2. Step 2: Convert to fraction form
    10,783.55/16,177.76 = 4,211.62/x
  3. Step 3: Cross multiply
    10,783.55x = 16,177.76 × 4,211.62
  4. Step 4: Simplify right side
    10,783.55x = 68,134,531.86
  5. Step 5: Solve for x
    x = 68,134,531.86/10,783.55
  6. Step 6: Final answer
    x = 6,318.38

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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.