Home / 10,504.54-15,756.75-3,109.04

Finding the Fourth Proportional to 10,504.54, 15,756.75 and 3,109.04

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Solution

The fourth proportional to 10,504.54, 15,756.75 and 3,109.04 is: 4,663.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.54 : 15,756.75 = 3,109.04 : x
  2. Step 2: Convert to fraction form
    10,504.54/15,756.75 = 3,109.04/x
  3. Step 3: Cross multiply
    10,504.54x = 15,756.75 × 3,109.04
  4. Step 4: Simplify right side
    10,504.54x = 48,988,366.02
  5. Step 5: Solve for x
    x = 48,988,366.02/10,504.54
  6. Step 6: Final answer
    x = 4,663.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.