Home / 10,002.56-15,002.46-2,606.42

Finding the Fourth Proportional to 10,002.56, 15,002.46 and 2,606.42

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Solution

The fourth proportional to 10,002.56, 15,002.46 and 2,606.42 is: 3,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.56 : 15,002.46 = 2,606.42 : x
  2. Step 2: Convert to fraction form
    10,002.56/15,002.46 = 2,606.42/x
  3. Step 3: Cross multiply
    10,002.56x = 15,002.46 × 2,606.42
  4. Step 4: Simplify right side
    10,002.56x = 39,102,749.30
  5. Step 5: Solve for x
    x = 39,102,749.30/10,002.56
  6. Step 6: Final answer
    x = 3,909.27

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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.