Home / 11,638.76-17,457.68-2,873.45

Finding the Fourth Proportional to 11,638.76, 17,457.68 and 2,873.45

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Solution

The fourth proportional to 11,638.76, 17,457.68 and 2,873.45 is: 4,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.76 : 17,457.68 = 2,873.45 : x
  2. Step 2: Convert to fraction form
    11,638.76/17,457.68 = 2,873.45/x
  3. Step 3: Cross multiply
    11,638.76x = 17,457.68 × 2,873.45
  4. Step 4: Simplify right side
    11,638.76x = 50,163,668.94
  5. Step 5: Solve for x
    x = 50,163,668.94/11,638.76
  6. Step 6: Final answer
    x = 4,310.05

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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.