Home / 10,135.54-15,189.31-4,873.78

Finding the Fourth Proportional to 10,135.54, 15,189.31 and 4,873.78

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Solution

The fourth proportional to 10,135.54, 15,189.31 and 4,873.78 is: 7,303.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.54 : 15,189.31 = 4,873.78 : x
  2. Step 2: Convert to fraction form
    10,135.54/15,189.31 = 4,873.78/x
  3. Step 3: Cross multiply
    10,135.54x = 15,189.31 × 4,873.78
  4. Step 4: Simplify right side
    10,135.54x = 74,029,355.29
  5. Step 5: Solve for x
    x = 74,029,355.29/10,135.54
  6. Step 6: Final answer
    x = 7,303.94

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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.