Home / 10,950.20-16,425.30-2,742.20

Finding the Fourth Proportional to 10,950.20, 16,425.30 and 2,742.20

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Solution

The fourth proportional to 10,950.20, 16,425.30 and 2,742.20 is: 4,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.20 : 16,425.30 = 2,742.20 : x
  2. Step 2: Convert to fraction form
    10,950.20/16,425.30 = 2,742.20/x
  3. Step 3: Cross multiply
    10,950.20x = 16,425.30 × 2,742.20
  4. Step 4: Simplify right side
    10,950.20x = 45,041,457.66
  5. Step 5: Solve for x
    x = 45,041,457.66/10,950.20
  6. Step 6: Final answer
    x = 4,113.30

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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.