Home / 10,135.07-15,203.40-2,739.57

Finding the Fourth Proportional to 10,135.07, 15,203.40 and 2,739.57

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Solution

The fourth proportional to 10,135.07, 15,203.40 and 2,739.57 is: 4,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.07 : 15,203.40 = 2,739.57 : x
  2. Step 2: Convert to fraction form
    10,135.07/15,203.40 = 2,739.57/x
  3. Step 3: Cross multiply
    10,135.07x = 15,203.40 × 2,739.57
  4. Step 4: Simplify right side
    10,135.07x = 41,650,796.77
  5. Step 5: Solve for x
    x = 41,650,796.77/10,135.07
  6. Step 6: Final answer
    x = 4,109.57

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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.