Home / 10,495.98-15,743.45-3,921.65

Finding the Fourth Proportional to 10,495.98, 15,743.45 and 3,921.65

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Solution

The fourth proportional to 10,495.98, 15,743.45 and 3,921.65 is: 5,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.98 : 15,743.45 = 3,921.65 : x
  2. Step 2: Convert to fraction form
    10,495.98/15,743.45 = 3,921.65/x
  3. Step 3: Cross multiply
    10,495.98x = 15,743.45 × 3,921.65
  4. Step 4: Simplify right side
    10,495.98x = 61,740,268.76
  5. Step 5: Solve for x
    x = 61,740,268.76/10,495.98
  6. Step 6: Final answer
    x = 5,882.28

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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.