Home / 10,231.31-15,317.60-6,309.29

Finding the Fourth Proportional to 10,231.31, 15,317.60 and 6,309.29

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Solution

The fourth proportional to 10,231.31, 15,317.60 and 6,309.29 is: 9,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.31 : 15,317.60 = 6,309.29 : x
  2. Step 2: Convert to fraction form
    10,231.31/15,317.60 = 6,309.29/x
  3. Step 3: Cross multiply
    10,231.31x = 15,317.60 × 6,309.29
  4. Step 4: Simplify right side
    10,231.31x = 96,643,072.37
  5. Step 5: Solve for x
    x = 96,643,072.37/10,231.31
  6. Step 6: Final answer
    x = 9,445.82

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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.