Home / 10,761.24-16,141.86-3,830.88

Finding the Fourth Proportional to 10,761.24, 16,141.86 and 3,830.88

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Solution

The fourth proportional to 10,761.24, 16,141.86 and 3,830.88 is: 5,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.24 : 16,141.86 = 3,830.88 : x
  2. Step 2: Convert to fraction form
    10,761.24/16,141.86 = 3,830.88/x
  3. Step 3: Cross multiply
    10,761.24x = 16,141.86 × 3,830.88
  4. Step 4: Simplify right side
    10,761.24x = 61,837,528.64
  5. Step 5: Solve for x
    x = 61,837,528.64/10,761.24
  6. Step 6: Final answer
    x = 5,746.32

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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.