Home / 10,422.42-15,636.06-3,027.62

Finding the Fourth Proportional to 10,422.42, 15,636.06 and 3,027.62

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Solution

The fourth proportional to 10,422.42, 15,636.06 and 3,027.62 is: 4,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.42 : 15,636.06 = 3,027.62 : x
  2. Step 2: Convert to fraction form
    10,422.42/15,636.06 = 3,027.62/x
  3. Step 3: Cross multiply
    10,422.42x = 15,636.06 × 3,027.62
  4. Step 4: Simplify right side
    10,422.42x = 47,340,047.98
  5. Step 5: Solve for x
    x = 47,340,047.98/10,422.42
  6. Step 6: Final answer
    x = 4,542.14

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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.