Home / 10,761.13-16,142.51-2,969.88

Finding the Fourth Proportional to 10,761.13, 16,142.51 and 2,969.88

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Solution

The fourth proportional to 10,761.13, 16,142.51 and 2,969.88 is: 4,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.13 : 16,142.51 = 2,969.88 : x
  2. Step 2: Convert to fraction form
    10,761.13/16,142.51 = 2,969.88/x
  3. Step 3: Cross multiply
    10,761.13x = 16,142.51 × 2,969.88
  4. Step 4: Simplify right side
    10,761.13x = 47,941,317.60
  5. Step 5: Solve for x
    x = 47,941,317.60/10,761.13
  6. Step 6: Final answer
    x = 4,455.04

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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.