Home / 11,909.43-17,861.54-4,882.53

Finding the Fourth Proportional to 11,909.43, 17,861.54 and 4,882.53

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Solution

The fourth proportional to 11,909.43, 17,861.54 and 4,882.53 is: 7,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.43 : 17,861.54 = 4,882.53 : x
  2. Step 2: Convert to fraction form
    11,909.43/17,861.54 = 4,882.53/x
  3. Step 3: Cross multiply
    11,909.43x = 17,861.54 × 4,882.53
  4. Step 4: Simplify right side
    11,909.43x = 87,209,460.73
  5. Step 5: Solve for x
    x = 87,209,460.73/11,909.43
  6. Step 6: Final answer
    x = 7,322.72

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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.