Home / 10,505.04-15,757.51-3,109.54

Finding the Fourth Proportional to 10,505.04, 15,757.51 and 3,109.54

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Solution

The fourth proportional to 10,505.04, 15,757.51 and 3,109.54 is: 4,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.04 : 15,757.51 = 3,109.54 : x
  2. Step 2: Convert to fraction form
    10,505.04/15,757.51 = 3,109.54/x
  3. Step 3: Cross multiply
    10,505.04x = 15,757.51 × 3,109.54
  4. Step 4: Simplify right side
    10,505.04x = 48,998,607.65
  5. Step 5: Solve for x
    x = 48,998,607.65/10,505.04
  6. Step 6: Final answer
    x = 4,664.30

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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.