Home / 10,168.40-15,254.04-4,974.56

Finding the Fourth Proportional to 10,168.40, 15,254.04 and 4,974.56

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Solution

The fourth proportional to 10,168.40, 15,254.04 and 4,974.56 is: 7,462.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.40 : 15,254.04 = 4,974.56 : x
  2. Step 2: Convert to fraction form
    10,168.40/15,254.04 = 4,974.56/x
  3. Step 3: Cross multiply
    10,168.40x = 15,254.04 × 4,974.56
  4. Step 4: Simplify right side
    10,168.40x = 75,882,137.22
  5. Step 5: Solve for x
    x = 75,882,137.22/10,168.40
  6. Step 6: Final answer
    x = 7,462.54

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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.