Home / 13,051.10-19,561.88-6,481.82

Finding the Fourth Proportional to 13,051.10, 19,561.88 and 6,481.82

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Solution

The fourth proportional to 13,051.10, 19,561.88 and 6,481.82 is: 9,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.10 : 19,561.88 = 6,481.82 : x
  2. Step 2: Convert to fraction form
    13,051.10/19,561.88 = 6,481.82/x
  3. Step 3: Cross multiply
    13,051.10x = 19,561.88 × 6,481.82
  4. Step 4: Simplify right side
    13,051.10x = 126,796,585.02
  5. Step 5: Solve for x
    x = 126,796,585.02/13,051.10
  6. Step 6: Final answer
    x = 9,715.39

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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.