Home / 10,495.30-15,739.28-3,097.80

Finding the Fourth Proportional to 10,495.30, 15,739.28 and 3,097.80

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Solution

The fourth proportional to 10,495.30, 15,739.28 and 3,097.80 is: 4,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.30 : 15,739.28 = 3,097.80 : x
  2. Step 2: Convert to fraction form
    10,495.30/15,739.28 = 3,097.80/x
  3. Step 3: Cross multiply
    10,495.30x = 15,739.28 × 3,097.80
  4. Step 4: Simplify right side
    10,495.30x = 48,757,141.58
  5. Step 5: Solve for x
    x = 48,757,141.58/10,495.30
  6. Step 6: Final answer
    x = 4,645.62

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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.