Home / 10,103.20-15,157-4,262.56

Finding the Fourth Proportional to 10,103.20, 15,157 and 4,262.56

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Solution

The fourth proportional to 10,103.20, 15,157 and 4,262.56 is: 6,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.20 : 15,157 = 4,262.56 : x
  2. Step 2: Convert to fraction form
    10,103.20/15,157 = 4,262.56/x
  3. Step 3: Cross multiply
    10,103.20x = 15,157 × 4,262.56
  4. Step 4: Simplify right side
    10,103.20x = 64,607,621.92
  5. Step 5: Solve for x
    x = 64,607,621.92/10,103.20
  6. Step 6: Final answer
    x = 6,394.77

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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.