Home / 11,435.20-17,149.92-4,509.76

Finding the Fourth Proportional to 11,435.20, 17,149.92 and 4,509.76

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Solution

The fourth proportional to 11,435.20, 17,149.92 and 4,509.76 is: 6,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.20 : 17,149.92 = 4,509.76 : x
  2. Step 2: Convert to fraction form
    11,435.20/17,149.92 = 4,509.76/x
  3. Step 3: Cross multiply
    11,435.20x = 17,149.92 × 4,509.76
  4. Step 4: Simplify right side
    11,435.20x = 77,342,023.22
  5. Step 5: Solve for x
    x = 77,342,023.22/11,435.20
  6. Step 6: Final answer
    x = 6,763.50

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1.5x scale

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.