Home / 11,355.91-17,033.17-4,238.77

Finding the Fourth Proportional to 11,355.91, 17,033.17 and 4,238.77

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Solution

The fourth proportional to 11,355.91, 17,033.17 and 4,238.77 is: 6,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.91 : 17,033.17 = 4,238.77 : x
  2. Step 2: Convert to fraction form
    11,355.91/17,033.17 = 4,238.77/x
  3. Step 3: Cross multiply
    11,355.91x = 17,033.17 × 4,238.77
  4. Step 4: Simplify right side
    11,355.91x = 72,199,690.00
  5. Step 5: Solve for x
    x = 72,199,690.00/11,355.91
  6. Step 6: Final answer
    x = 6,357.90

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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.