Home / 10,509.48-15,757.56-4,955.04

Finding the Fourth Proportional to 10,509.48, 15,757.56 and 4,955.04

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Solution

The fourth proportional to 10,509.48, 15,757.56 and 4,955.04 is: 7,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.48 : 15,757.56 = 4,955.04 : x
  2. Step 2: Convert to fraction form
    10,509.48/15,757.56 = 4,955.04/x
  3. Step 3: Cross multiply
    10,509.48x = 15,757.56 × 4,955.04
  4. Step 4: Simplify right side
    10,509.48x = 78,079,340.10
  5. Step 5: Solve for x
    x = 78,079,340.10/10,509.48
  6. Step 6: Final answer
    x = 7,429.42

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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.