Home / 10,135.89-15,193.56-4,863.15

Finding the Fourth Proportional to 10,135.89, 15,193.56 and 4,863.15

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Solution

The fourth proportional to 10,135.89, 15,193.56 and 4,863.15 is: 7,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.89 : 15,193.56 = 4,863.15 : x
  2. Step 2: Convert to fraction form
    10,135.89/15,193.56 = 4,863.15/x
  3. Step 3: Cross multiply
    10,135.89x = 15,193.56 × 4,863.15
  4. Step 4: Simplify right side
    10,135.89x = 73,888,561.31
  5. Step 5: Solve for x
    x = 73,888,561.31/10,135.89
  6. Step 6: Final answer
    x = 7,289.80

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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.